| NAME | OFFICE | RESTRICTION PERIOD |
| Start Date | End Date |
 |
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| Adame, Jon M | SENATOR BLACKBURN | 03/22/2025 | 03/21/2026 |
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| Adams, Carrie | SENATOR FETTERMAN | 01/03/2025 | 01/02/2026 |
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| Adams, Nicolas E | SELECT COMM ON INTELLIGENCE(N) | 02/01/2025 | 01/31/2026 |
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| Adams, Natalie Christina | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Adesina, Adeola O | SENATOR BUTLER | 01/09/2025 | 01/08/2026 |
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| Almanza, Margarita A | HEALTH, EDUC, LABOR & PENS (R) | 08/18/2025 | 08/17/2026 |
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| Almeida, Maria C | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Andres, Douglas | MAJORITY LEADER (R) | 03/04/2025 | 03/03/2026 |
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| Andrews, Jessica S | SENATOR HUSTED | 10/01/2025 | 09/30/2026 |
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| Armentrout, Clayton Smith | SENATOR BRITT | 03/08/2025 | 03/07/2026 |
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| Armstrong, Rebekah | HEALTH, EDUC, LABOR & PENS (R) | 01/18/2025 | 01/17/2026 |
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| Arounlangsy, Anourath | SENATOR BROWN | 03/03/2025 | 03/02/2026 |
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| Atkinson, Carleton B | SENATOR CARDIN | 01/03/2025 | 01/02/2026 |
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| Austin-Mackenzie, Elizabeth A | VETERANS AFFAIRS (D) | 06/19/2025 | 06/18/2026 |
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| Bailey, Catharine A | SENATOR BRAUN | 01/03/2025 | 01/02/2026 |
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| Bajjalieh, Cynthia S | SENATOR DURBIN | 02/01/2025 | 01/31/2026 |
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| Baker, Mariah K | SPECIAL COMMITTEE ON AGING (D) | 02/15/2025 | 02/14/2026 |
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| Baldwin, Robert Michael | BANKING, HOUSING & URB AFF (R) | 04/14/2025 | 04/13/2026 |
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| Ball, Jordan | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Barker, Jessica A | SENATOR YOUNG | 03/17/2025 | 03/16/2026 |
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| Barker, Kendal Lauren | HSGA - GENERAL INVEST (R) | 04/12/2025 | 04/11/2026 |
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| Barnett, Zachary J | SENATOR WICKER | 01/03/2025 | 01/02/2026 |
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| Baron, Diana B | SENATOR BROWN | 02/18/2025 | 02/17/2026 |
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| Barr, Christopher E | FOREIGN RELATIONS (D) | 05/02/2025 | 05/01/2026 |
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| Barrera, Marissa D | HEALTH, EDUC, LABOR & PENS (D) | 03/08/2025 | 03/07/2026 |
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| Beezer, John L | COMMERCE, SCIENCE & TRANS (D) | 08/30/2025 | 08/29/2026 |
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| Benedict-Anstaett, Sarah E | SENATOR BALDWIN | 01/01/2025 | 12/31/2025 |
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| Benzing, Sarah R | SENATOR BROWN | 03/03/2025 | 03/02/2026 |
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| Berenbroick, Phillip Andrew | JUD SUB-ANTITRUST, CP & CR (D) | 04/02/2025 | 04/01/2026 |
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| Berkley, Terri A | SENATOR MANCHIN | 01/03/2025 | 01/02/2026 |
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| Berry, Sonceria A | EXECUTIVE OFFICE | 03/03/2025 | 03/02/2026 |
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| Beutler, Chandler | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Black, Renae L | ENERGY & NATURAL RESOURCES (D) | 04/03/2025 | 04/02/2026 |
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| Blair, Emily T | VETERANS AFFAIRS (R) | 07/12/2025 | 07/11/2026 |
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| Blank, Avery Morgan | HSGA - GENERAL INVEST (D) | 07/19/2025 | 07/18/2026 |
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| Blaydes, Emily M | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Block, Molly E | SENATOR CASSIDY | 01/20/2025 | 01/19/2026 |
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| Bofferding, Ty M | HEALTH, EDUC, LABOR & PENS (R) | 08/11/2025 | 08/10/2026 |
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| Boggs, Mara C | SENATOR MANCHIN | 01/03/2025 | 01/02/2026 |
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| Bolt, Chad L | SENATOR BROWN | 01/14/2025 | 01/13/2026 |
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| Borenstein, Gabrielle L. | COMMERCE, SCIENCE & TRANS (D) | 06/06/2025 | 06/05/2026 |
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| Bossong, Claire C. | SENATOR LUMMIS | 03/24/2025 | 03/23/2026 |
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| Bouwer, Gracie M | BANKING, HOUSING & URB AFF (D) | 07/05/2025 | 07/04/2026 |
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| Bovo, Viviana | SENATOR RUBIO | 01/29/2025 | 01/28/2026 |
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| Bowman, Christopher Lee | ENERGY & NATURAL RESOURCES (D) | 05/07/2025 | 05/06/2026 |
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| Bradford-Adams, Kasha R | SENATOR TESTER | 03/03/2025 | 03/02/2026 |
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| Bradish, Olivia Lynne | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Brandt, Thomas W | SENATOR MORAN | 01/17/2025 | 01/16/2026 |
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| Braun, Michael K | SENATOR BRAUN | 01/03/2025 | 01/02/2027 |
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| Brewer, Michael James | SENATOR WARNOCK | 03/04/2025 | 03/03/2026 |
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| Brooks, Sydney M | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Brooks, Colin N | FOREIGN RELATIONS (R) | 05/23/2025 | 05/22/2026 |
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| Brooks, J David | ENERGY & NATURAL RESOURCES (D) | 09/08/2025 | 09/07/2026 |
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| Brown, Arielle M | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Brown, Sherrod | SENATOR BROWN (OH) | 01/03/2025 | 01/02/2027 |
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| Brown, Jennifer Erin | MINORITY LEADER (D) | 01/29/2025 | 01/28/2026 |
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| Brown, Joseph | ENVIRONMENT & PUBLIC WORKS (N) | 06/14/2025 | 06/13/2026 |
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| Brownlie, Michael K | SENATOR SINEMA | 01/03/2025 | 01/02/2026 |
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| Burgess, Daniel M | SENATOR BOOZMAN | 01/13/2025 | 01/12/2026 |
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| Burton, James Gentry | SENATOR SINEMA | 01/03/2025 | 01/02/2026 |
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| Burton, Shauna C | JOINT ECONOMIC COMMITTEE | 02/24/2025 | 02/23/2026 |
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| Buttrey, Garrett P | HEALTH, EDUC, LABOR & PENS (R) | 05/12/2025 | 05/11/2026 |
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| Calderon, Erika | BANKING, HOUSING & URB AFF (D) | 04/14/2025 | 04/13/2026 |
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| Canady, Margee L | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Carbone, Craig P | SENATOR SCOTT (FL) | 06/09/2025 | 06/08/2026 |
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| Cardin, Benjamin L | SENATOR CARDIN | 01/03/2025 | 01/02/2027 |
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| Carle, Victoria | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Carper, Thomas R | SENATOR CARPER | 01/03/2025 | 01/02/2027 |
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| Carter, Therese Simone | JOINT ECONOMIC COMMITTEE | 04/09/2025 | 04/08/2026 |
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| Carwell, Emily | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Casey, Robert P | SENATOR CASEY | 01/03/2025 | 01/02/2027 |
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| Castella, Francesco Antonio | SENATOR BUDD | 04/05/2025 | 04/04/2026 |
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| Catalano, Elisa | FOREIGN RELATIONS (D) | 05/02/2025 | 05/01/2026 |
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| Champion, Joseph M | SENATOR BARRASSO | 03/01/2025 | 02/28/2026 |
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| Chang, Lena C | HSGA - GENERAL INVEST (D) | 06/07/2025 | 06/06/2026 |
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| Chapman, Stephen L | ENVIRONMENT & PUBLIC WORKS (N) | 06/21/2025 | 06/20/2026 |
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| Cheever, Daniel P | SENATOR YOUNG | 02/01/2025 | 01/31/2026 |
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| Christensen, Annika W | HSGA - GENERAL INVEST (D) | 04/20/2025 | 04/19/2026 |
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| Christiansen, Alexander B | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Cierlitsky, Susan | SENATOR ALSOBROOKS | 05/01/2025 | 04/30/2026 |
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| Cinquegrani, Julia | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Clapp, Douglas C | COMMITTEE ON APPROPRIATIONS | 06/01/2025 | 05/31/2026 |
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| Colas, Brian C | CONFERENCE OF THE MAJORITY (R) | 08/01/2025 | 07/31/2026 |
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| Collins, Leila S | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Conlan, Graham P | BANKING, HOUSING & URB AFF (R) | 02/01/2025 | 01/31/2026 |
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| Connolly, Kenneth M | ENVIRONMENT & PUBLIC WORKS (N) | 04/04/2025 | 04/03/2026 |
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| Cooper, Kadeem A | COMMITTEE ON THE JUDICIARY (D) | 01/18/2025 | 01/17/2026 |
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| Cooper, Elizabeth M | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Cooper, Beth M | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Council, Alison R | SPECIAL COMMITTEE ON AGING (D) | 04/15/2025 | 04/14/2026 |
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| Cozze, Amy E | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Crosby, Elena I | SENATOR RUBIO | 03/21/2025 | 03/20/2026 |
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| Crosswhite, Caleb J | AGRICULTURE,NUTRI & FOREST (R) | 05/05/2025 | 05/04/2026 |
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| Crouch, Lara D | FOREIGN RELATIONS (R) | 03/16/2025 | 03/15/2026 |
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| Crowley, Mark M | SENATOR MORAN | 07/18/2025 | 07/17/2026 |
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| Cummins, Jamie S | COMMITTEE ON FINANCE (R) | 05/29/2025 | 05/28/2026 |
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| Curran, Patricia M | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Czarniecki, Cary L | SENATOR BANKS | 03/04/2025 | 03/03/2026 |
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| Dabrowski, Natasha B | ENVIRONMENT & PUBLIC WORKS (N) | 03/09/2025 | 03/08/2026 |
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| Daiger, Amy W | SENATOR CARDIN | 01/03/2025 | 01/02/2026 |
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| Daly, Rory C | SENATOR CASEY | 02/03/2025 | 02/02/2026 |
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| Daniel, Julia | JOINT COMM ON INAUG | 10/01/2025 | 09/30/2026 |
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| Davidson, Michelle R | SENATOR SINEMA | 01/03/2025 | 01/02/2026 |
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| Davis, Olivia | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Dawson, Wendy Lynn | JOINT COMM ON INAUG | 03/26/2025 | 03/25/2026 |
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| Decesaro, Anne M | HEALTH, EDUC, LABOR & PENS (R) | 01/24/2025 | 01/23/2026 |
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| Delahoyde, Abigail M | SENATOR VANCE | 01/20/2025 | 01/19/2026 |
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| Denning, Gloria D | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Dennis, Teresa L | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Despain, Michael L | SENATOR SINEMA | 01/03/2025 | 01/02/2026 |
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| Dessoye, Thomas S | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Dill, Timothy D | SENATOR CRUZ | 01/18/2025 | 01/17/2026 |
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| Donaldson, Steven B | MAJORITY LEADER CONSULTANTS(R) | 03/04/2025 | 03/03/2026 |
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| Donohoe, Kevin S | MINORITY POLICY COMMITTEE (D) | 03/22/2025 | 03/21/2026 |
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| Donovan, Patrick L | SENATOR SCHUMER | 09/16/2025 | 09/15/2026 |
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| Dougherty, Margaret Rose | FOREIGN RELATIONS (R) | 01/20/2025 | 01/19/2026 |
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| Draxler, John D | SENATOR CANTWELL | 09/02/2025 | 09/01/2026 |
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| Driscoll-Miller, Arthur Francis | SENATOR MULLIN | 03/20/2025 | 03/19/2026 |
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| Duckworth, Eliza M | JOINT COMM ON INAUG | 04/04/2025 | 04/03/2026 |
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| Duggan, Abigail | SENATOR BROWN (OH) | 01/03/2025 | 01/02/2026 |
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| Dugoff, Eva H | COMMITTEE ON FINANCE (D) | 02/05/2025 | 02/04/2026 |
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| Durrett, James | VICE PRESIDENT | 07/02/2025 | 07/01/2026 |
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| Dziedzic, Andrew C | SENATOR SCHMITT | 01/23/2025 | 01/22/2026 |
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| Easton, Allen R | SENATOR FETTERMAN | 03/16/2025 | 03/15/2026 |
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| Ebert, Jordan James | BANKING, HOUSING & URB AFF (R) | 07/26/2025 | 07/25/2026 |
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| Eule, Stephen | ENERGY & NATURAL RESOURCES (R) | 03/19/2025 | 03/18/2026 |
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| Farrar, Elizabeth A | RULES & ADMINISTRATION (D) | 05/06/2025 | 05/05/2026 |
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| Farris, Lila E | BANKING, HOUSING & URB AFF (R) | 03/04/2025 | 03/03/2026 |
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| Faughnan, Brian M | ENERGY & NATURAL RESOURCES (R) | 03/11/2025 | 03/10/2026 |
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| Feder, Jacob Alfred | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Feldman, Sarah | SENATOR TESTER | 03/03/2025 | 03/02/2026 |
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| Fernandez, Jessica | SENATOR RUBIO | 01/20/2025 | 01/19/2026 |
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| Fields, Kyle D | COMMERCE, SCIENCE & TRANS (R) | 01/29/2025 | 01/28/2026 |
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| Figueroa, Marvin B | SENATOR BUTLER | 01/09/2025 | 01/08/2026 |
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| Finney, Dorothy Marie | SPECIAL COMMITTEE ON AGING (D) | 03/06/2025 | 03/05/2026 |
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| Fisher, Andrew D | SENATOR MCCONNELL | 02/08/2025 | 02/07/2026 |
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| Flower, Emily C | SENATOR MARSHALL | 07/18/2025 | 07/17/2026 |
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| Flynn, Brendan M | SENATOR BROWN | 03/03/2025 | 03/02/2026 |
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| Flynn, Heather D | FOREIGN RELATIONS (D) | 05/01/2025 | 04/30/2026 |
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| Folsom, Justin | SENATOR TESTER | 03/03/2025 | 03/02/2026 |
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| Forsyth, Trey M | AGRICULTURE,NUTRI & FOREST (R) | 04/05/2025 | 04/04/2026 |
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| Fountaine, Adam C | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Fragoso, Michael | MAJORITY LEADER CONSULTANTS(R) | 03/01/2025 | 02/28/2026 |
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| Frazier, Samuel | SENATOR BUTLER | 01/09/2025 | 01/08/2026 |
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| Frazier-Powdrill, Joyce M | SENATOR BROWN | 03/03/2025 | 03/02/2026 |
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| Freeman, Evan E | HSGA - GENERAL INVEST (D) | 05/24/2025 | 05/23/2026 |
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| Fuentes, Matthew C | MINORITY LEADER (D) | 01/11/2025 | 01/10/2026 |
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| Gamel-Mccormick, Michael T | COMMITTEE ON FINANCE (D) | 08/09/2025 | 08/08/2026 |
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| Gammello, Joseph A | BANKING, HOUSING & URB AFF (R) | 04/20/2025 | 04/19/2026 |
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| Ganjei, Nicholas J | JUDIC SUB-THE CONSTITUTION (R) | 01/29/2025 | 01/28/2026 |
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| Garcia, Lindsay H | COMMITTEE ON APPROPRIATIONS | 03/31/2025 | 03/30/2026 |
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| Garrison, Eyang N | AGRICULTURE,NUTRI & FOREST (D) | 05/02/2025 | 05/01/2026 |
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| Geller, Patricia J | SENATOR COTTON | 05/18/2025 | 05/17/2026 |
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| Gentile, Kristen E | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Gibson, Taylor Penny | SENATOR BUTLER | 01/09/2025 | 01/08/2026 |
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| Gibson, Karen H | EXECUTIVE OFFICE | 05/01/2025 | 04/30/2026 |
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| Gilkes, Meghan E | PRES PRO TEMP-EMER-CONSULT (D) | 03/04/2025 | 03/03/2026 |
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| Gilligan, Joseph Michael | SENATOR BROWN | 01/13/2025 | 01/12/2026 |
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| Glottmann, Sunny M | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Golden, Zachary B | SENATOR WARNER (M) | 09/13/2025 | 09/12/2026 |
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| Gonzales, Sandra | SENATOR BUTLER | 01/09/2025 | 01/08/2026 |
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| Gonzalez, Santiago | SENATOR BENNET | 07/12/2025 | 07/11/2026 |
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| Goodman-Cheng, Mindy | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Gourlay, Diana H | COMMITTEE ON APPROPRIATIONS | 03/14/2025 | 03/13/2026 |
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| Grasso, Katherine L | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Gray, Michael Koffa | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Gray, Bryan Matthew | SENATOR VANCE | 01/20/2025 | 01/19/2026 |
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| Greenbaum, Elie | BANKING, HOUSING & URB AFF (R) | 05/18/2025 | 05/17/2026 |
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| Greenwell, George D | COMMERCE, SCIENCE & TRANS (D) | 03/18/2025 | 03/17/2026 |
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| Greiner, Corine B | SENATOR TESTER | 02/18/2025 | 02/17/2026 |
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| Hagan, Sara K | COMMITTEE ON APPROPRIATIONS | 04/21/2025 | 04/20/2026 |
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| Hammill, Andrew T | COMMERCE, SCIENCE & TRANS (D) | 05/01/2025 | 04/30/2026 |
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| Hammond, Heather Farr | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Hanisch, Kristine L | SENATOR RISCH | 01/01/2025 | 12/31/2025 |
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| Hannon, Kyle L | SENATOR CASEY | 02/24/2025 | 02/23/2026 |
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| Hantson, Jeffrey T | JUDDURBIN | 07/12/2025 | 07/11/2026 |
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| Harfield, Kristen Hope | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Harmer, Miriam Anne | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Harmon, Colleen | SENATOR VANCE | 01/21/2025 | 01/20/2026 |
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| Harris, Eric T | FOREIGN RELATIONS (D) | 04/01/2025 | 03/31/2026 |
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| Hasenberg-Elliott, Amy E | SENATOR BRITT | 05/31/2025 | 05/30/2026 |
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| Hauptmann, David C | MAJORITY LEADER (R) | 03/04/2025 | 03/03/2026 |
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| Haxby-Cote, Pamela R | SENATOR TESTER | 03/03/2025 | 03/02/2026 |
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| Haycraft, Clara A G | SENATOR KLOBUCHAR | 09/11/2025 | 09/10/2026 |
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| Hayes, Bradley F | SENATOR TUBERVILLE | 01/20/2025 | 01/19/2026 |
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| Hayes-White, Joanne M | SENATOR BUTLER | 01/09/2025 | 01/08/2026 |
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| Heekin, John P | SENATOR SCOTT (FL) | 06/01/2025 | 05/31/2026 |
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| Helfrich, Devin | SENATOR CANTWELL | 05/17/2025 | 05/16/2026 |
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| Henry, Alicia M | SENATOR BUTLER | 01/09/2025 | 01/08/2026 |
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| Hernandez, Alison K | SPECIAL COMMITTEE ON AGING (D) | 02/04/2025 | 02/03/2026 |
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| Hetherington, Alexander J | SENATOR SCHATZ | 02/18/2025 | 02/17/2026 |
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| Hills, Charles W | SENATOR FETTERMAN | 04/02/2025 | 04/01/2026 |
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| Hinck, Kaaren G | SENATOR HICKENLOOPER | 04/01/2025 | 03/31/2026 |
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| Hoffman, Jason Miles | SENATOR HAGERTY | 01/31/2025 | 01/30/2026 |
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| Holler, Daniel J | SENATOR RUBIO | 01/20/2025 | 01/19/2026 |
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| Holstein Jr., Elwood | ENVIRONMENT & PUBLIC WORKS (N) | 04/04/2025 | 04/03/2026 |
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| Hoskins, Dudley Whitworth | AGRICULTURE,NUTRI & FOREST (R) | 09/30/2025 | 09/29/2026 |
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| Hoskinson, Rhett T | SENATOR BLUMENTHAL | 05/06/2025 | 05/05/2026 |
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| Huffman, Alyse S. | ENERGY & NATURAL RESOURCES (D) | 08/29/2025 | 08/28/2026 |
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| Huish, Emma R | SENATOR PAUL | 03/15/2025 | 03/14/2026 |
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| Husak, Corey | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Huxley-Cohen, Rachel Kaela | SENATOR SHAHEEN | 03/15/2025 | 03/14/2026 |
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| Hynes, Lucy C | AGRICULTURE,NUTRI & FOREST (D) | 02/25/2025 | 02/24/2026 |
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| Jackson, Caleb A | SENATOR BUTLER | 01/09/2025 | 01/08/2026 |
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| Jackson, Abigail T | SENATOR HAWLEY | 03/22/2025 | 03/21/2026 |
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| Jalata, Kulani A. | RULES & ADMINISTRATION (D) | 05/06/2025 | 05/05/2026 |
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| Jamieson, Ainsley Mae | SENATOR MANCHIN | 01/03/2025 | 01/02/2026 |
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| Jenkins, Alexandra | SENATOR MCCONNELL | 03/01/2025 | 02/28/2026 |
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| Jennings, Brian D | SENATOR CASEY | 02/05/2025 | 02/04/2026 |
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| Jett, Jennifer E | ARMED SERVICES (R) | 02/18/2025 | 02/17/2026 |
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| Johns, Dina J | SENATOR CARDIN | 01/03/2025 | 01/02/2026 |
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| Johnson, Bridget Lynn | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Johnson, Elizabeth A | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Johnson, Jason C | SENATOR BRAUN | 01/03/2025 | 01/02/2026 |
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| Johnson, Christopher M | SENATOR CASEY | 02/10/2025 | 02/09/2026 |
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| Johnson, Peter Francis | SMALL BUSINESS & ENTREPSHP (D) | 05/17/2025 | 05/16/2026 |
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| Jones, Tyler A | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Jones, Sean M | ARMED SERVICES (N) | 05/01/2025 | 04/30/2026 |
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| Jones, Robert W | MAJORITY POLICY COMMITTEE (R) | 06/03/2025 | 06/02/2026 |
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| Judnich, Mary M | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Juris, Krysta S | SENATOR FETTERMAN | 06/16/2025 | 06/15/2026 |
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| Kahler, Zachary A | SENATOR BANKS | 06/06/2025 | 06/05/2026 |
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| Kaldahl, Rachel A. | BANKING, HOUSING & URB AFF (R) | 05/28/2025 | 05/27/2026 |
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| Kalin, Curtis | SENATOR BUDD | 02/22/2025 | 02/21/2026 |
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| Kane, John A | ENVIRONMENT & PUBLIC WORKS (N) | 02/11/2025 | 02/10/2026 |
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| Keith, Susan B | AGRICULTURE,NUTRI & FOREST (D) | 05/02/2025 | 05/01/2026 |
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| Keller, Andrew N | FOREIGN RELATIONS (D) | 05/02/2025 | 05/01/2026 |
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| Kelley, Joshua P | SENATOR BRAUN | 01/03/2025 | 01/02/2026 |
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| Kelly, Robert D | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Kenworthy, Jay D | SENATOR YOUNG | 02/03/2025 | 02/02/2026 |
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| Khasawinah, Sarah | SPECIAL COMMITTEE ON AGING (R) | 05/07/2025 | 05/06/2026 |
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| Kim, Yeouk | ARMED SERVICES (R) | 01/20/2025 | 01/19/2026 |
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| King, Wesley Abraham | SENATOR BROWN | 02/28/2025 | 02/27/2026 |
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| King, Andrew J | MAJORITY WHIP (R) | 04/19/2025 | 04/18/2026 |
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| Kinsey, Shawn E | SENATOR SINEMA | 01/03/2025 | 01/02/2026 |
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| Kistenmacher, Nicholas A | SENATOR BLACKBURN | 08/02/2025 | 08/01/2026 |
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| Klein, Joshua R | FOREIGN RELATIONS (D) | 05/02/2025 | 05/01/2026 |
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| Knight, Courtney L | AGRICULTURE,NUTRI & FOREST (D) | 01/25/2025 | 01/24/2026 |
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| Kouri, Joseph E | MAJORITY POLICY COMMITTEE (R) | 03/17/2025 | 03/16/2026 |
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| Kovalovich, Aria A | ENVIRONMENT & PUBLIC WORKS (N) | 05/31/2025 | 05/30/2026 |
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| Kraus Kaplan, Heidi M | JOINT COMM ON INAUG | 02/01/2025 | 01/31/2026 |
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| Kugler, Sara H | HEALTH, EDUC, LABOR & PENS (D) | 05/17/2025 | 05/16/2026 |
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| Kungel, James W | SENATOR MANCHIN | 01/03/2025 | 01/02/2026 |
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| LaJoie, Taylor J | SENATOR MARSHALL | 01/11/2025 | 01/10/2026 |
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| Lalonde, Trevor A | ENVIRONMENT & PUBLIC WORKS (N) | 04/04/2025 | 04/03/2026 |
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| Laniyan, Nadia E | SENATOR BOOKER | 08/02/2025 | 08/01/2026 |
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| Lapham, Elizabeth Berit | COMMITTEE ON APPROPRIATIONS | 08/25/2025 | 08/24/2026 |
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| Laslovich, Dylan M | SENATOR TESTER | 03/03/2025 | 03/02/2026 |
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| Lattimore, Kimberly N | SENATOR BROWN | 03/03/2025 | 03/02/2026 |
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| Lee, Rebecca L | SELECT COMM ON INTELLIGENCE(N) | 10/01/2025 | 09/30/2026 |
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| Letter, Elizabeth F | SPECIAL COMMITTEE ON AGING (D) | 01/01/2025 | 12/31/2025 |
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| Leuchten, Christopher K | SENATOR SINEMA | 01/03/2025 | 01/02/2026 |
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| Lewis, Collen Blake | SENATOR MANCHIN | 01/03/2025 | 01/02/2026 |
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| Lewis, William Kevin | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Lewis, Christy | COMMERCE, SCIENCE & TRANS (R) | 05/09/2025 | 05/08/2026 |
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| Lukaske, Evan T | SENATOR GILLIBRAND | 09/13/2025 | 09/12/2026 |
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| Lynch, Christopher W | SENATOR CARDIN | 01/03/2025 | 01/02/2026 |
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| Lynn, Mairead | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| MacDonnell, Patrick Pierce | SENATOR COTTON | 01/20/2025 | 01/19/2026 |
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| Maerz, John C | SELECT COMM ON INTELLIGENCE(N) | 05/05/2025 | 05/04/2026 |
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| Manchin, Joseph | SENATOR MANCHIN | 01/03/2025 | 01/02/2027 |
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| Maroney, Jason W | SENATOR BLUMENTHAL | 03/22/2025 | 03/21/2026 |
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| Martin, Nicholas Julian | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Martin, Lindsay M | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Martineau, Drew A | SENATOR BROWN | 01/20/2025 | 01/19/2026 |
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| Martinez, Jessica | JOINT ECONOMIC COMMITTEE | 04/04/2025 | 04/03/2026 |
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| Matesic, Roberta M | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Maxfield, Dilan G | SENATOR CURTIS | 07/08/2025 | 07/07/2026 |
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| Mayer, Christi Ann S | JOINT COMM ON INAUG | 05/09/2025 | 05/08/2026 |
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| Mazol, James G | ARMED SERVICES (R) | 01/20/2025 | 01/19/2026 |
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| McAllister, Patrick F | VICE PRESIDENT | 09/11/2025 | 09/10/2026 |
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| McCallum, David K | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| McEnany, Wesley L | HEALTH, EDUC, LABOR & PENS (D) | 07/14/2025 | 07/13/2026 |
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| McFeely, Tara C | SELECT COMM ON INTELLIGENCE(N) | 09/20/2025 | 09/19/2026 |
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| McGowan, Michael C | SENATOR COONS | 07/16/2025 | 07/15/2026 |
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| McGrath, Karen L | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| McIntyre, Elizabeth Kaiser | COMMERCE, SCIENCE & TRANS (D) | 01/04/2025 | 01/03/2026 |
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| McIntyre, Natalie M | SENATOR HAGERTY | 01/07/2025 | 01/06/2026 |
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| McKenna, William H W | COMMERCE, SCIENCE & TRANS (R) | 01/20/2025 | 01/19/2026 |
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| McKinnon, Mark G | SENATOR BRITT | 03/01/2025 | 02/28/2026 |
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| McKittrick, Beverly E | HEALTH, EDUC, LABOR & PENS (R) | 03/17/2025 | 03/16/2026 |
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| McMahon, Jason C | COMMITTEE ON APPROPRIATIONS | 06/16/2025 | 06/15/2026 |
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| Meadowcroft, Brooke C | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Melbye, Linnea Ann | SENATOR LUMMIS | 03/30/2025 | 03/29/2026 |
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| Melendrez, Dahlia M | VETERANS AFFAIRS (D) | 04/01/2025 | 03/31/2026 |
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| Melia, Thomas O | FOREIGN RELATIONS (D) | 05/02/2025 | 05/01/2026 |
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| Memmott, Justin J | ENERGY & NATURAL RESOURCES (R) | 03/28/2025 | 03/27/2026 |
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| Mertz, Stephanie A | COMMERCE, SCIENCE & TRANS (R) | 07/31/2025 | 07/30/2026 |
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| Miller, Julia Aviva Hahn | SENATOR HAGERTY | 02/25/2025 | 02/24/2026 |
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| Milner, Clark David | SENATOR HAGERTY | 01/21/2025 | 01/20/2026 |
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| Minks, Erin G | SENATOR BENNET | 06/01/2025 | 05/31/2026 |
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| Mitric, Janko A | VETERANS AFFAIRS (D) | 08/30/2025 | 08/29/2026 |
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| Mody, Arjun | CONFERENCE OF THE MAJORITY (R) | 03/04/2025 | 03/03/2026 |
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| Moen, Kelse H. | COMMITTEE ON THE JUDICIARY (R) | 02/16/2025 | 02/15/2026 |
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| Monahan, Patricia A | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Montimurro, Kaitlyn R | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Morgan, Anne Perry | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Morrison, Bethany Poulos | SELECT COMM ON INTELLIGENCE(N) | 01/20/2025 | 01/19/2026 |
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| Morrison, Marissa L | SENATOR CRAPO | 01/18/2025 | 01/17/2026 |
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| Moyerman, Amber K | SENATOR BARRASSO | 07/01/2025 | 06/30/2026 |
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| Mueller, Maurie Lyn | COMMERCE, SCIENCE & TRANS (D) | 02/08/2025 | 02/07/2026 |
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| Mulcrone, Lisa S | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Mulhall Quintela, Katherine E | SENATOR BROWN | 03/03/2025 | 03/02/2026 |
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| Mullin, Sean W | ENERGY & NATURAL RESOURCES (D) | 09/20/2025 | 09/19/2026 |
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| Murguia, Ryan J | SENATOR MANCHIN | 01/03/2025 | 01/02/2026 |
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| Murphy, Damian | FOREIGN RELATIONS (D) | 05/02/2025 | 05/01/2026 |
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| Natoli, Joshua P | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Nellor, Dianne P | COMMITTEE ON APPROPRIATIONS | 01/06/2025 | 01/05/2026 |
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| Nelson, Ryan P | SENATOR THUNE | 01/06/2025 | 01/05/2026 |
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| Nelson, Beth A | SENATOR YOUNG | 01/27/2025 | 01/26/2026 |
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| Nelson, Stephanie H | SENATOR MCCONNELL | 08/02/2025 | 08/01/2026 |
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| Neubert, Christopher M | AGRICULTURE,NUTRI & FOREST (D) | 05/05/2025 | 05/04/2026 |
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| Neuhaus, Ryan M | SENATOR LEE | 01/11/2025 | 01/10/2026 |
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| Nichols, Kole A | JOINT ECONOMIC COMMITTEE | 03/10/2025 | 03/09/2026 |
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| Nielson, Beth V | SENATOR BALDWIN | 03/03/2025 | 03/02/2026 |
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| Nikas, Katherine T | JUDGRASSLEY | 04/21/2025 | 04/20/2026 |
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| Norman, Mela Louise Tharp | SENATOR SLOTKIN | 02/04/2025 | 02/03/2026 |
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| Nuelle, Christopher Louis | SENATOR SCHMITT | 04/19/2025 | 04/18/2026 |
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| O'Dell, Kennedy E | SENATOR CASEY | 02/06/2025 | 02/05/2026 |
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| O'Keefe, Sean D | ARMED SERVICES (R) | 09/25/2025 | 09/24/2026 |
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| Ofosu, Asi A | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Oginsky, Eric | SENATOR BUTLER | 01/09/2025 | 01/08/2026 |
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| Olson, Susan Louise | SENATOR BOOZMAN | 01/11/2025 | 01/10/2026 |
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| Olson, D Andrew | FOREIGN RELATIONS (R) | 07/12/2025 | 07/11/2026 |
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| Olson, Carol D | PRESIDENT PRO TEMPORE (R) | 09/01/2025 | 08/31/2026 |
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| Olson, Kimberly J | SENATOR ROUNDS | 09/06/2025 | 09/05/2026 |
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| Oman, Eric E | COMMITTEE ON FINANCE (R) | 08/18/2025 | 08/17/2026 |
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| Ordway, Robert | SENATOR BRAUN | 01/03/2025 | 01/02/2026 |
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| Ose, Erika M | SENATOR CRAPO | 03/20/2025 | 03/19/2026 |
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| Osman, Christopher J | ENERGY & NATURAL RESOURCES (D) | 01/12/2025 | 01/11/2026 |
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| Pace, David J. | SENATOR CRAPO | 08/26/2025 | 08/25/2026 |
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| Palken, Daniel A | ENERGY & NATURAL RESOURCES (D) | 05/02/2025 | 05/01/2026 |
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| Palmer, Ashley M | COMMITTEE ON APPROPRIATIONS | 01/01/2025 | 12/31/2025 |
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| Paluskiewicz, Amanda | HEALTH, EDUC, LABOR & PENS (R) | 04/22/2025 | 04/21/2026 |
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| Paoli, James F | SENATOR COONS | 05/17/2025 | 05/16/2026 |
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| Parent, Charyssa Renee | SENATOR MARSHALL | 01/25/2025 | 01/24/2026 |
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| Parks, Robert H | ENERGY & NATURAL RESOURCES (R) | 03/24/2025 | 03/23/2026 |
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| Pastre, Laura | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Patel, Mayur R | COMMITTEE ON FINANCE (R) | 06/21/2025 | 06/20/2026 |
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| Patterson, John A | SENATOR BROWN | 03/03/2025 | 03/02/2026 |
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| Peacock, James H.N | SENATOR SCHMITT | 06/01/2025 | 05/31/2026 |
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| Pearce, Krisann A | COMMITTEE ON THE BUDGET (R) | 01/03/2025 | 01/02/2026 |
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| Pelletier, Taylor A | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Pels, Kiersten V | SENATOR JOHNSON (WI) | 05/19/2025 | 05/18/2026 |
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| Perez, Simone R | COMMERCE, SCIENCE & TRANS (R) | 02/18/2025 | 02/17/2026 |
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| Perlstein, Andrew | SENATOR CARDIN | 01/03/2025 | 01/02/2026 |
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| Peterson, Ann Rodgers | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Plachetka, Teresa A | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Polesovsky, Andrew F | SELECT COMM ON INTELLIGENCE(N) | 03/09/2025 | 03/08/2026 |
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| Potter, Jason L | COMMITTEE ON APPROPRIATIONS | 05/05/2025 | 05/04/2026 |
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| Poulson, John A | HSGA - GENERAL INVEST (R) | 04/15/2025 | 04/14/2026 |
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| Proegler, Zoe E | SENATOR STABENOW | 01/03/2025 | 01/02/2026 |
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| Raab, K Scott | MAJORITY LEADER CONSULTANTS(R) | 02/03/2025 | 02/02/2026 |
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| Rasmussen, Erik Redd | SPECIAL COMMITTEE ON AGING (R) | 01/13/2025 | 01/12/2026 |
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| Reamy, Lauren Ann | SENATOR RUBIO | 03/17/2025 | 03/16/2026 |
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| Reitz, Aaron Francis | SENATOR CRUZ | 04/01/2025 | 03/31/2026 |
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| Reses, Jacob | SENATOR VANCE | 01/17/2025 | 01/16/2026 |
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| Reynard, Michael H | SENATOR BUDD | 05/31/2025 | 05/30/2026 |
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| Richards, John E | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Richardson, Nelson D | SENATOR BROWN | 03/03/2025 | 03/02/2026 |
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| Richardson, Scott M | HSGA - GENERAL INVEST (R) | 03/10/2025 | 03/09/2026 |
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| Ricker, Cameron D | BANKING, HOUSING & URB AFF (N) | 04/14/2025 | 04/13/2026 |
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| Riddle, Zacharie D | SENATOR BRAUN | 01/03/2025 | 01/02/2026 |
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| Riggin, Natalia Elena Diez | BANKING, HOUSING & URB AFF (R) | 01/21/2025 | 01/20/2026 |
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| Rivera-Rodriguez, Anthony O | SENATOR HICKENLOOPER | 02/04/2025 | 02/03/2026 |
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| Roa, Juan Sebastian | SMALL BUSINESS & ENTREPSHP (D) | 05/07/2025 | 05/06/2026 |
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| Rock, Charlotte Kaye | COMMITTEE ON FINANCE (R) | 06/23/2025 | 06/22/2026 |
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| Rodas, Rudy A | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Rodgers, Meghan Rose | SENATOR MCCORMICK | 07/05/2025 | 07/04/2026 |
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| Rodriguez, Joanna M | SENATOR RICKETTS | 01/11/2025 | 01/10/2026 |
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| Rodriques, Jaida Patrice | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Rogers, Megan Rene Chene | BANKING, HOUSING & URB AFF (D) | 03/15/2025 | 03/14/2026 |
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| Romeo, Anna A | SENATOR MCCORMICK | 09/17/2025 | 09/16/2026 |
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| Romney, Willard Mitt | SENATOR ROMNEY | 01/03/2025 | 01/02/2027 |
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| Rosenthal, Matthew W | BANKING, HOUSING & URB AFF (R) | 05/03/2025 | 05/02/2026 |
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| Rostker, David J. | ENVIRONMENT & PUBLIC WORKS (N) | 04/04/2025 | 04/03/2026 |
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| Roth, Arielle S | COMMERCE, SCIENCE & TRANS (R) | 07/28/2025 | 07/27/2026 |
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| Rowley, Molly | MINORITY WHIP (D) | 07/01/2025 | 06/30/2026 |
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| Rubio, Marco | SENATOR RUBIO | 01/21/2025 | 01/20/2027 |
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| Rudd, Phillip W | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Ryan, John W | SENATOR BROWN | 03/03/2025 | 03/02/2026 |
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| Saby, Linnea G | ENVIRONMENT & PUBLIC WORKS (N) | 03/28/2025 | 03/27/2026 |
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| Samayoa, Marisol | SENATOR SCHIFF | 09/09/2025 | 09/08/2026 |
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| Sanders, Joshua T | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Sanford, Chris K | SENATOR SLOTKIN | 03/15/2025 | 03/14/2026 |
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| Santora, Michael J | ENVIRONMENT & PUBLIC WORKS (N) | 03/09/2025 | 03/08/2026 |
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| Saunders, Robby S | SENATOR SCOTT (FL) | 03/10/2025 | 03/09/2026 |
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| Scarlett, Katherine R | ENVIRONMENT & PUBLIC WORKS (N) | 01/18/2025 | 01/17/2026 |
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| Schlagenhauf, Jeffrey L | JOINT ECONOMIC COMMITTEE | 04/24/2025 | 04/23/2026 |
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| Schmidt, Sarah A | SENATOR THUNE | 04/14/2025 | 04/13/2026 |
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| Seidman, Lindsey Ward | COMMITTEE ON APPROPRIATIONS | 04/09/2025 | 04/08/2026 |
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| Shaffer, Caroline Mee | SENATOR FETTERMAN | 05/02/2025 | 05/01/2026 |
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| Shapiro, Sarah | SENATOR PETERS | 03/29/2025 | 03/28/2026 |
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| Sheehey, Michael C | COMMITTEE ON FINANCE (R) | 04/21/2025 | 04/20/2026 |
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| Shepherd, Meagan | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Shepherd, Zack Warren | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Sikowski, Randy R | SENATOR DUCKWORTH | 06/01/2025 | 05/31/2026 |
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| Silver, Aliza F | HEALTH, EDUC, LABOR & PENS (R) | 01/22/2025 | 01/21/2026 |
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| Silverstein, Sarah Rose | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Simpson, Alexander T | COMMERCE, SCIENCE & TRANS (D) | 05/17/2025 | 05/16/2026 |
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| Sinema, Kyrsten | SENATOR SINEMA | 01/03/2025 | 01/02/2027 |
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| Siracuse, Andrew J | SENATOR CORNYN | 07/01/2025 | 06/30/2026 |
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| Skaar, Rachel S | ENVIRONMENT & PUBLIC WORKS (N) | 03/17/2025 | 03/16/2026 |
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| Slater, Abigail A | SENATOR VANCE | 03/11/2025 | 03/10/2026 |
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| Slaughter, Robert Cade | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Sleeper, Kristin A | SENATOR SHEEHY | 02/03/2025 | 02/02/2026 |
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| Sloofman, Scott E | MAJORITY LEADER (R) | 03/04/2025 | 03/03/2026 |
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| Smith, Andrew Nyle | SENATOR CARPER | 01/02/2025 | 01/01/2026 |
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| Smith, Audrey C | SENATOR MANCHIN | 01/03/2025 | 01/02/2026 |
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| Smith, Daniel P | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Smith, Cameron Tara | SENATOR FETTERMAN | 06/07/2025 | 06/06/2026 |
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| Snyder, Don E | COMMITTEE ON FINANCE (R) | 08/11/2025 | 08/10/2026 |
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| Soderstrom, Sharon R | MAJORITY LEADER CONSULTANTS(R) | 04/21/2025 | 04/20/2026 |
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| Soltero De Martin, Benjamin K | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Soto, Caitlin E | HEALTH, EDUC, LABOR & PENS (R) | 04/14/2025 | 04/13/2026 |
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| Spaulding, Stephen E | RULES & ADMINISTRATION (D) | 01/21/2025 | 01/20/2026 |
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| St. Maxens, Colin F | COMMITTEE ON FINANCE (R) | 01/11/2025 | 01/10/2026 |
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| St. Onge, Richard I | SENATOR MCCONNELL | 03/01/2025 | 02/28/2026 |
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| Stabenow, Deborah A | SENATOR STABENOW | 01/03/2025 | 01/02/2027 |
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| Stamp, Mackenzie E | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Stevens, Jessica A | SENATOR MERKLEY | 06/07/2025 | 06/06/2026 |
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| Stewart, Adam T | SENATOR LUMMIS | 08/23/2025 | 08/22/2026 |
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| Stokes, John B | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Stone, Sarah R | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Suares, Erica A | MAJORITY LEADER CONSULTANTS(R) | 03/04/2025 | 03/03/2026 |
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| Susskind, Jamie N | SENATOR BLACKBURN | 07/31/2025 | 07/30/2026 |
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| Swanson, Laura A | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Swope, Carolyn Palmer | SPECIAL COMMITTEE ON AGING (D) | 05/31/2025 | 05/30/2026 |
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| Tabler, Caroline R | SENATOR COTTON | 09/20/2025 | 09/19/2026 |
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| Taira, Meghan | MINORITY LEADER CONSULTANTS(D) | 04/12/2025 | 04/11/2026 |
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| Tanner, John R | ENERGY & NATURAL RESOURCES (R) | 02/10/2025 | 02/09/2026 |
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| Taylor, Courtney O | ENVIRONMENT & PUBLIC WORKS (N) | 04/04/2025 | 04/03/2026 |
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| Telle, Adam R | SENATOR HAGERTY | 08/04/2025 | 08/03/2026 |
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| Tenbarge, Barrett J | HEALTH, EDUC, LABOR & PENS (R) | 04/05/2025 | 04/04/2026 |
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| Tester, Jon | SENATOR TESTER | 01/03/2025 | 01/02/2027 |
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| Tester, Jon C | SENATOR CRAPO | 06/16/2025 | 06/15/2026 |
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| Thomas, Venetta C | SENATOR CARDIN | 01/03/2025 | 01/02/2026 |
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| Thomas, Katherine | AGRICULTURE,NUTRI & FOREST (R) | 07/23/2025 | 07/22/2026 |
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| Thompson, Katherine E | SENATOR LEE | 01/18/2025 | 01/17/2026 |
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| Thompson, Cameron G | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Thompson, Mischa E | FOREIGN RELATIONS (D) | 05/02/2025 | 05/01/2026 |
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| Thorpe, Amanda A | SENATOR WELCH | 09/24/2025 | 09/23/2026 |
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| Tilton, John A | AGRICULTURE,NUTRI & FOREST (D) | 05/02/2025 | 05/01/2026 |
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| Tishue, Christopher | SENATOR MANCHIN | 01/03/2025 | 01/02/2026 |
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| Tolleson, Jesse D | COMMITTEE ON APPROPRIATIONS | 05/05/2025 | 05/04/2026 |
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| Tomlinson, Connor W | SENATOR MOODY | 06/29/2025 | 06/28/2026 |
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| Tortoriello, Nicole Gloria | HEALTH, EDUC, LABOR & PENS (D) | 04/12/2025 | 04/11/2026 |
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| Trager, Eric R | ARMED SERVICES (R) | 01/20/2025 | 01/19/2026 |
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| Trippi, Ted C | SENATOR SHAHEEN | 01/02/2025 | 01/01/2026 |
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| Truluck, Walker E | SENATOR GRAHAM (SC) | 07/27/2025 | 07/26/2026 |
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| Trusty, Olivia B | ARMED SERVICES (R) | 06/23/2025 | 06/22/2026 |
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| Tuck, Allison Davis | RULES & ADMINISTRATION (R) | 04/01/2025 | 03/31/2026 |
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| Tuku, Elisha K | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Tyner, Jacob M | SENATOR SULLIVAN | 01/11/2025 | 01/10/2026 |
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| Urecki, Zahava R | ENERGY & NATURAL RESOURCES (D) | 02/24/2025 | 02/23/2026 |
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| Valdivia, Vanessa E | SENATOR PADILLA | 06/21/2025 | 06/20/2026 |
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| Van Aalst, Mariska H | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Vance, James D | SENATOR VANCE | 01/11/2025 | 01/10/2027 |
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| Van Doren, Terry D | MAJORITY LEADER CONSULTANTS(R) | 03/01/2025 | 02/28/2026 |
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| Van Horne, William K | SENATOR CARDIN | 01/03/2025 | 01/02/2026 |
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| Van Saun, William Robert | VETERANS AFFAIRS (D) | 05/07/2025 | 05/06/2026 |
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| Velchik, Michael K | SENATOR HAWLEY | 04/16/2025 | 04/15/2026 |
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| Venkataramanan, Rajiv | SENATOR HELMY | 01/03/2025 | 01/02/2026 |
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| Voline, Stephen John | SENATOR ERNST | 04/21/2025 | 04/20/2026 |
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| Wade, Forest L | SENATOR CASEY | 03/03/2025 | 03/02/2026 |
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| Wagner, Michael D | JOINT COMM ON INAUG | 10/01/2025 | 09/30/2026 |
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| Wakefield, Michael R | COMMITTEE ON APPROPRIATIONS | 02/17/2025 | 02/16/2026 |
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| Walitsky, Susan | SENATOR CARDIN | 01/03/2025 | 01/02/2026 |
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| Walker, Kristin Patrice | SENATOR LUMMIS | 01/04/2025 | 01/03/2026 |
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| Walsh, Brian W | SELECT COMM ON INTELLIGENCE(N) | 01/22/2025 | 01/21/2026 |
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| Walton, Samuel A | SENATOR SCHMITT | 01/18/2025 | 01/17/2026 |
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| Waltz, Paige | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Warren, Abby R | COMMERCE, SCIENCE & TRANS (R) | 01/20/2025 | 01/19/2026 |
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| Watson, Tia L | SENATOR CASEY | 03/02/2025 | 03/01/2026 |
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| Watson, Benjamin R | BANKING, HOUSING & URB AFF (R) | 09/06/2025 | 09/05/2026 |
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| Wedgewood, Jessica L | SENATOR BRAUN | 01/03/2025 | 01/02/2026 |
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| Wenk, Braxton R | SENATOR COTTON | 05/19/2025 | 05/18/2026 |
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| Wescott, Jymayce Y | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| Westbrook, Coy A | JUDLEE | 09/15/2025 | 09/14/2026 |
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| Wethered, Emma P.C. | SENATOR CARPER | 01/03/2025 | 01/02/2026 |
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| White, Jennifer Hendrixson | FOREIGN RELATIONS (D) | 05/02/2025 | 05/01/2026 |
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| Whitney, John M | SENATOR BENNET | 06/19/2025 | 06/18/2026 |
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| Wilson, Kent B | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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| Winters, Shanna | BANKING, HOUSING & URB AFF (D) | 05/03/2025 | 05/02/2026 |
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| Witte, Jeremy M | AGRICULTURE,NUTRI & FOREST (R) | 06/02/2025 | 06/01/2026 |
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| Yamada, Deborah K | SENATOR CARDIN | 01/03/2025 | 01/02/2026 |
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| Yanussi, Jason M | SENATOR HASSAN | 08/08/2025 | 08/07/2026 |
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| Yoken, Daniel | MINORITY LEADER (D) | 01/14/2025 | 01/13/2026 |
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| Yost, Paul Alexander | SENATOR ROMNEY | 01/03/2025 | 01/02/2026 |
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