|    NAME |    OFFICE |    RESTRICTION PERIOD | 
 
| Start Date | End Date | 
 
  | 
 
  | 
 
| Abbey, Tristan  | ENERGY&NAT RESOURCES | 01/20/2017 | 01/19/2018 | 
 
  | 
 
| Abram, Anna K | HEALTH,EDUCATN,LBR&PEN R | 01/20/2017 | 01/19/2018 | 
 
  | 
 
| Albritton, Christopher J | ENVIRONMENT&PUBLIC WKS | 01/01/2017 | 12/31/2017 | 
 
  | 
 
| Al-Haj, Qusi R | SENATOR THUNE | 11/27/2017 | 11/26/2018 | 
 
  | 
 
| Allen, Kimberly D | SENATOR KENNEDY (J) | 03/02/2017 | 03/01/2018 | 
 
  | 
 
| Amin, Stacy C | HEALTH,EDUCATN,LBR&PEN R | 01/20/2017 | 01/19/2018 | 
 
  | 
 
| Ansell, Frederick S | JUDICIARY | 07/04/2017 | 07/03/2018 | 
 
  | 
 
| Astill, Corey K | SENATOR FISCHER | 10/31/2017 | 10/30/2018 | 
 
  | 
 
| Ayotte, Kelly A | SENATOR AYOTTE | 01/03/2017 | 01/02/2019 | 
 
  | 
 
| Baer, Julian  | AGRICULTURE,NUTR&FOR | 09/23/2017 | 09/22/2018 | 
 
  | 
 
| Baker, Eliza B | SENATOR COTTON | 12/01/2017 | 11/30/2018 | 
 
  | 
 
| Balash, Joseph R | SENATOR SULLIVAN | 12/21/2017 | 12/20/2018 | 
 
  | 
 
| Barnett, Gary E | SENATOR FLAKE | 01/23/2017 | 01/22/2018 | 
 
  | 
 
| Barney, Steven M | ARMED SERVICES | 03/25/2017 | 03/24/2018 | 
 
  | 
 
| Bazaco, Linda H | SENATOR CORNYN | 05/01/2017 | 04/30/2018 | 
 
  | 
 
| Becker-Dippmann, Angela S | ENERGY&NAT RESOURCES | 11/17/2017 | 11/16/2018 | 
 
  | 
 
| Begany, Shelby A | RULES & ADMINISTRATION 81D | 05/22/2017 | 05/21/2018 | 
 
  | 
 
| Behnam, Rostin  | AGRICULTURE,NUTR&FOR | 09/06/2017 | 09/05/2018 | 
 
  | 
 
| Biden, Joseph R* | VICE PRESIDENT BIDEN | 01/20/2017 | 01/19/2019 | 
 
  | 
 
| Bittleman, Sarah  | SENATOR WYDEN | 03/17/2017 | 03/16/2018 | 
 
  | 
 
| Bodine, Susan P | ENVIRONMENT&PUBLIC WKS | 09/02/2017 | 09/01/2018 | 
 
  | 
 
| Bohigian, Thomas J | SENATOR BOXER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Bolar, Lucas J | SENATOR VITTER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Bolen, Brittany A | MAJORITY POLICY COMMITTEE | 03/26/2017 | 03/25/2018 | 
 
  | 
 
| Bolling, Patrice Angelic | SENATOR BENNET | 10/01/2017 | 09/30/2018 | 
 
  | 
 
| Bolton, Sarah W | HEALTH,EDUCATN,LBR&PEN D | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Bookout, Randall D | SEL COMM ON INTELL | 06/01/2017 | 05/31/2018 | 
 
  | 
 
| Bowman, Thomas  | VETERANS AFFAIRS R | 09/06/2017 | 09/05/2018 | 
 
  | 
 
| Boxer, Barbara  | SENATOR BOXER (CA) | 01/03/2017 | 01/02/2019 | 
 
  | 
 
| Brady, J Thomas | SENATOR COTTON | 03/01/2017 | 02/28/2018 | 
 
  | 
 
| Brandt, Kimberly L | COMM ON FINANCE  | 08/07/2017 | 08/06/2018 | 
 
  | 
 
| Brauer, David A | JOINT ECONOMIC COMMITTEE | 04/06/2017 | 04/05/2018 | 
 
  | 
 
| Bray, Vaughn R | MINORITY LEADER (D) | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Briggs, Michael D | SENATOR SANDERS | 08/09/2017 | 08/08/2018 | 
 
  | 
 
| Brittingham, Charles E | ENVIRONMENT&PUBLIC WKS | 01/01/2017 | 12/31/2017 | 
 
  | 
 
| Brown, Byron R | ENVIRONMENT&PUBLIC WKS | 03/05/2017 | 03/04/2018 | 
 
  | 
 
| Brumer, Marc  | SENATOR GILLIBRAND | 07/01/2017 | 06/30/2018 | 
 
  | 
 
| Burgos, Alejandro  | SENATOR RUBIO | 04/25/2017 | 04/24/2018 | 
 
  | 
 
| Cahill, Conor H | SENATOR MARKEY | 09/02/2017 | 09/01/2018 | 
 
  | 
 
| Callanan, Brian R | HS & GA | 01/12/2017 | 01/11/2018 | 
 
  | 
 
| Cameron, Daniel J | SENATOR MCCONNELL | 06/03/2017 | 06/02/2018 | 
 
  | 
 
| Camp, Gwen M | SENATOR CASEY | 01/13/2017 | 01/12/2018 | 
 
  | 
 
| Campbell, Christopher E | COMM ON FINANCE  | 08/14/2017 | 08/13/2018 | 
 
  | 
 
| Canton, Donald R | SENATOR HOEVEN | 03/06/2017 | 03/05/2018 | 
 
  | 
 
| Carrillo, Pablo E | SENATOR MCCAIN | 09/01/2017 | 08/31/2018 | 
 
  | 
 
| Castle, William S | PRESIDENT PRO TEM | 08/28/2017 | 08/27/2018 | 
 
  | 
 
| Chatterjee, Neil  | MAJORITY LEADER | 08/08/2017 | 08/07/2018 | 
 
  | 
 
| Cheney, Scott L | HEALTH,EDUCATN,LBR&PEN D | 04/08/2017 | 04/07/2018 | 
 
  | 
 
| Childs Graham, Katherine  | SENATOR KLOBUCHAR | 08/19/2017 | 08/18/2018 | 
 
  | 
 
| Christoferson, James  | SENATOR CRUZ | 09/16/2017 | 09/15/2018 | 
 
  | 
 
| Coates, Victoria Cg | SENATOR CRUZ | 01/07/2017 | 01/06/2018 | 
 
  | 
 
| Coats, Daniel R | SENATOR COATS (IN) | 01/03/2017 | 01/02/2019 | 
 
  | 
 
| Coile, Zachary  | SENATOR BOXER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Colas, Brian C | BANKING,HOUSING&URB AFFS | 05/18/2017 | 05/17/2018 | 
 
  | 
 
| Conelly, Mary A | SENATOR REID | 01/01/2017 | 12/31/2017 | 
 
  | 
 
| Connolly, Michael J | SENATOR LEE | 01/22/2017 | 01/21/2018 | 
 
  | 
 
| Conway, Molly E | HEALTH,EDUCATN,LBR&PEN R | 02/06/2017 | 02/05/2018 | 
 
  | 
 
| Corbin, Kimberly S | SENATOR STABENOW | 01/20/2017 | 01/19/2018 | 
 
  | 
 
| Cowles, Matthew D | COMMITTEE ON APPROPRIATIONS | 12/11/2017 | 12/10/2018 | 
 
  | 
 
| Cutrona, Danielle A | JUDIC | 02/16/2017 | 02/15/2018 | 
 
  | 
 
| Daffner, Whitney  | JOINT ECONOMIC COMMITTEE | 11/18/2017 | 11/17/2018 | 
 
  | 
 
| Dauster, William G | SENATOR VAN HOLLEN | 05/26/2017 | 05/25/2018 | 
 
  | 
 
| Davis, John K | ENERGY&NAT RESOURCES | 03/04/2017 | 03/03/2018 | 
 
  | 
 
| Dean, Rachael L | SENATOR MCCAIN | 01/14/2017 | 01/13/2018 | 
 
  | 
 
| Dearborn, Rick A | SENATOR SESSIONS | 01/20/2017 | 01/19/2018 | 
 
  | 
 
| Decker, Sara E | SENATOR RUBIO | 05/03/2017 | 05/02/2018 | 
 
  | 
 
| Deese, Ileanexis  | MINORITY LEADER (D) | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Dickens, Kathryn M | SENATOR KIRK | 02/10/2017 | 02/09/2018 | 
 
  | 
 
| Doneski, Ellen L | MINORITY LEADER CONSULTANTS(D) | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Donovan, Matthew P | ARMED SERVICES | 08/03/2017 | 08/02/2018 | 
 
  | 
 
| Dove, Carrie Lynn | MINORITY LEADER (D) | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Doyle, Jean E | SENATOR MIKULSKI | 02/01/2017 | 01/31/2018 | 
 
  | 
 
| Doyle, Brett W | MAJORITY POLICY COMMITTEE | 08/19/2017 | 08/18/2018 | 
 
  | 
 
| Dubin, Susan J | SENATOR COATS | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| DuBose, Avis  | SENATOR SESSIONS  | 04/09/2017 | 04/08/2018 | 
 
  | 
 
| Dunn, Jack N | BANKING,HOUSING&URB AFFS | 05/06/2017 | 05/05/2018 | 
 
  | 
 
| Dyer, Julie  | SENATOR VITTER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Eberhard, Anthony A | SENATOR HOEVEN | 05/30/2017 | 05/29/2018 | 
 
  | 
 
| Eissenstat, Everett H | COMM ON FINANCE  | 06/08/2017 | 06/07/2018 | 
 
  | 
 
| Ericson, Brooke N | HS & GA GEN INV | 10/01/2017 | 09/30/2018 | 
 
  | 
 
| Evans, Christina H | COMMITTEE ON APPROPRIATIONS | 10/06/2017 | 10/05/2018 | 
 
  | 
 
| Everly, George  | COMM ON THE BUDGET | 07/09/2017 | 07/08/2018 | 
 
  | 
 
| Facchiano, Kathryn W | SENATOR PAUL | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Finn, John Joseph | SENATOR HELLER | 12/30/2017 | 12/29/2018 | 
 
  | 
 
| Fitch, Orville B | SENATOR AYOTTE | 01/31/2017 | 01/30/2018 | 
 
  | 
 
| Fitzgerald, Ben J | ARMED SERVICES | 12/29/2017 | 12/28/2018 | 
 
  | 
 
| Fleischer, Victor E | COMM ON FINANCE  | 07/29/2017 | 07/28/2018 | 
 
  | 
 
| Flint, Lara M | PRIOR FED AGENCY | 04/02/2017 | 04/01/2018 | 
 
  | 
 
| Fly, Jamie M | SENATOR RUBIO | 05/11/2017 | 05/10/2018 | 
 
  | 
 
| Foltz, Jonathan R | SENATOR COATS | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Foster, Robert U | SENATOR WICKER | 01/01/2017 | 12/31/2017 | 
 
  | 
 
| Fox, Thomas R | ENVIRONMENT&PUBLIC WKS | 05/02/2017 | 05/01/2018 | 
 
  | 
 
| Freedhoff, Michal I | SENATOR MARKEY | 02/18/2017 | 02/17/2018 | 
 
  | 
 
| Gahan, Christopher Taketo | SENATOR TOOMEY | 01/24/2017 | 01/23/2018 | 
 
  | 
 
| Gallagher, Mark C | SENATOR MARKEY | 12/20/2017 | 12/19/2018 | 
 
  | 
 
| Gates, Perisha L | CONFERENCE OF THE MINORITY | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Geffroy, MIchael G | SEL COMM ON INTELL | 05/01/2017 | 04/30/2018 | 
 
  | 
 
| Gilman, Kate L | ENVIRONMENT&PUBLIC WKS | 04/02/2017 | 04/01/2018 | 
 
  | 
 
| Glick, Richard A | ENERGY&NAT RESOURCES | 11/29/2017 | 11/28/2018 | 
 
  | 
 
| Goffman, Joseph  | ENVIRONMENT&PUBLIC WKS | 10/01/2017 | 09/30/2018 | 
 
  | 
 
| Goffus, Thomas W | ARMED SERVICES | 05/07/2017 | 05/06/2018 | 
 
  | 
 
| Greenwalt, William C | ARMED SERVICES | 04/15/2017 | 04/14/2018 | 
 
  | 
 
| Griffith, Jennifer E | RULES & ADMINISTRATION 81D | 05/25/2017 | 05/24/2018 | 
 
  | 
 
| Gunasekara, Amanda M | ENVIRONMENT&PUBLIC WKS | 03/18/2017 | 03/17/2018 | 
 
  | 
 
| Gural, Harry  | JOINT ECONOMIC COMMITTEE | 04/06/2017 | 04/05/2018 | 
 
  | 
 
| Hanrahan, Margaret V | SENATOR SESSIONS  | 02/10/2017 | 02/09/2018 | 
 
  | 
 
| Hansen, Christopher  | SENATOR GARDNER | 01/04/2017 | 01/03/2018 | 
 
  | 
 
| Hansen, Heidi R | ENERGY&NAT RESOURCES | 08/19/2017 | 08/18/2018 | 
 
  | 
 
| Hanson, Alan R | SENATOR SHELBY | 01/30/2017 | 01/29/2018 | 
 
  | 
 
| Haren, Eric R | SENATOR FEINSTEIN | 03/25/2017 | 03/24/2018 | 
 
  | 
 
| Harrell, Jeremy B | SENATOR HELLER | 04/15/2017 | 04/14/2018 | 
 
  | 
 
| Harris, Benjamin H | VICE PRESIDENT  | 01/19/2017 | 01/18/2018 | 
 
  | 
 
| Hart, Brian C | SENATOR BLUNT | 05/01/2017 | 04/30/2018 | 
 
  | 
 
| Hayes, Jeremy H | ARMED SERVICES | 01/08/2017 | 01/07/2018 | 
 
  | 
 
| Hayes, Colin T | ENERGY&NAT RESOURCES | 10/02/2017 | 10/01/2018 | 
 
  | 
 
| Hazlett, Anne C | AGRICULTURE,NUTR&FOR | 06/10/2017 | 06/09/2018 | 
 
  | 
 
| Henderson, Kimberly Levernier | SENATOR CRUZ | 10/01/2017 | 09/30/2018 | 
 
  | 
 
| Henry, Martha Delynn | SENATOR SULLIVAN | 02/18/2017 | 02/17/2018 | 
 
  | 
 
| Herbert, Robert T | MINORITY LEADER CONSULTANTS(D) | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Herrgott, Alex H | SENATOR INHOFE | 05/01/2017 | 04/30/2018 | 
 
  | 
 
| Higgins, Stephen P | SENATOR FISCHER | 01/07/2017 | 01/06/2018 | 
 
  | 
 
| Hill, Anne M W | COMMERCE,SCIENCE&TRANS | 05/02/2017 | 05/01/2018 | 
 
  | 
 
| Hodges, Joshua S | SENATOR VITTER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Hughes, Sarah K | SENATOR BENNET | 01/06/2017 | 01/05/2018 | 
 
  | 
 
| Hutton, Paul C | COMMITTEE ON APPROPRIATIONS | 10/07/2017 | 10/06/2018 | 
 
  | 
 
| Idelson, Holly A | HS & GA  | 03/31/2017 | 03/30/2018 | 
 
  | 
 
| Illston, Frederick E | ENVIRONMENT&PUBLIC WKS | 05/02/2017 | 05/01/2018 | 
 
  | 
 
| Jackson, Ryan T | SENATOR INHOFE | 02/21/2017 | 02/20/2018 | 
 
  | 
 
| Jackson, Christopher L | SENATOR SESSIONS  | 04/09/2017 | 04/08/2018 | 
 
  | 
 
| Jeffries, James D | HEALTH,EDUCATN,LBR&PEN R | 01/01/2017 | 12/31/2017 | 
 
  | 
 
| Jentleson, Adam  | MINORITY LEADER CONSULTANTS(D) | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Johnson, Jeffrey S | RULES & ADMINISTRATION 81D | 09/01/2017 | 08/31/2018 | 
 
  | 
 
| Johnson, Carole A | SPECIAL COMM ON AGING DEM | 10/03/2017 | 10/02/2018 | 
 
  | 
 
| Jones, Brian M | MINORITY WHIP | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Jorgenson, Matthew  | SENATOR MIKULSKI | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Kadlec, Robert P | SEL COMM ON INTELL | 08/18/2017 | 08/17/2018 | 
 
  | 
 
| Kearney, Christopher B | ENERGY&NAT RESOURCES | 01/26/2017 | 01/25/2018 | 
 
  | 
 
| Keebler, Kathryn M | RULES & ADMINISTRATION 81D | 04/08/2017 | 04/07/2018 | 
 
  | 
 
| Kelleher, Kevin P | MINORITY WHIP | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Kelly, Timothy J | JUDICIARY | 09/09/2017 | 09/08/2018 | 
 
  | 
 
| Kerr, Mary A | ENVIRONMENT&PUBLIC WKS | 04/02/2017 | 04/01/2018 | 
 
  | 
 
| Kirk, Mark S | SENATOR KIRK | 01/03/2017 | 01/02/2019 | 
 
  | 
 
| Kitchen, Klon K | BANKING,HOUSING&URB AFFS | 12/12/2017 | 12/11/2018 | 
 
  | 
 
| Klotz, Cheyenne S | SMALL BUSINESS REP | 03/21/2017 | 03/20/2018 | 
 
  | 
 
| Knudson, Kip C | ENERGY&NAT RESOURCES | 01/01/2017 | 12/31/2017 | 
 
  | 
 
| Kowalski, Daniel J | COMM ON THE BUDGET | 03/01/2017 | 02/28/2018 | 
 
  | 
 
| Kraninger, Kathleen L | COMMITTEE ON APPROPRIATIONS | 03/06/2017 | 03/05/2018 | 
 
  | 
 
| Kruse, John E | VETERANS AFFAIRS D | 03/31/2017 | 03/30/2018 | 
 
  | 
 
| Kula, Shannon M | SENATOR MIKULSKI | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Laborde, Kate  | SENATOR VITTER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Lahr, Matthew J | SENATOR COATS | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Landrum, Lenwood A | SENATOR SESSIONS  | 03/06/2017 | 03/05/2018 | 
 
  | 
 
| Lapinski, Mary Sumpter | HEALTH,EDUCATN,LBR&PEN R | 03/09/2017 | 03/08/2018 | 
 
  | 
 
| Layton, Powell A | SENATOR VITTER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Lazarski, Anthony J | SENATOR INHOFE | 07/16/2017 | 07/15/2018 | 
 
  | 
 
| Leftwich, Joel T | AGRICULTURE,NUTR&FOR | 03/11/2017 | 03/10/2018 | 
 
  | 
 
| Leone, Katherine C | SENATOR SHAHEEN | 07/12/2017 | 07/11/2018 | 
 
  | 
 
| Levine, Elisabeth Ann | SENATOR GRASSLEY | 04/11/2017 | 04/10/2018 | 
 
  | 
 
| Lohmeyer, Sonja M | JT COMM ON INAUG CERE 2017 | 05/27/2017 | 05/26/2018 | 
 
  | 
 
| Lucas, Jane B | SENATOR THUNE | 04/03/2017 | 04/02/2018 | 
 
  | 
 
| Lucius, Kristine  | JUDICIARY | 04/02/2017 | 04/01/2018 | 
 
  | 
 
| Luff, Sandra E | SENATOR STRANGE | 05/06/2017 | 05/05/2018 | 
 
  | 
 
| Macknight, Rachel  | SENATOR MIKULSKI | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Martin, John M | SENATOR COTTON | 05/27/2017 | 05/26/2018 | 
 
  | 
 
| Martinez, Alberto E | SENATOR RUBIO | 03/06/2017 | 03/05/2018 | 
 
  | 
 
| Matous, Victoria M | SENATOR SHELBY | 03/13/2017 | 03/12/2018 | 
 
  | 
 
| Mattos, Luis M | CONFERENCE OF THE MINORITY | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| McCallum, David K | MINORITY LEADER CONSULTANTS(D) | 02/01/2017 | 01/31/2018 | 
 
  | 
 
| McCarthy, James M | RULES & ADMINISTRATION 81D | 04/03/2017 | 04/02/2018 | 
 
  | 
 
| McCurley, Alissa L | SENATOR KIRK | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| McDonough, Alexander T | MINORITY LEADER (D) | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| McGovern, Philip J | SENATOR MARKEY | 12/02/2017 | 12/01/2018 | 
 
  | 
 
| McGowan, Matthew P | RULES & ADMINISTRATION 81D | 09/01/2017 | 08/31/2018 | 
 
  | 
 
| McGuire, Brian T | SENATOR MCCONNELL | 05/02/2017 | 05/01/2018 | 
 
  | 
 
| McNamee, Miles L | CONFERENCE OF THE MINORITY | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| McWilliams, Jelena  | BANKING,HOUSING&URB AFFS | 01/09/2017 | 01/08/2018 | 
 
  | 
 
| Meier, Catherine G | SENATOR BOXER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Meier, Maria Robles | MINORITY LEADER (D) | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Meredith, Amanda L | VETERANS AFFAIRS R | 08/14/2017 | 08/13/2018 | 
 
  | 
 
| Mesnikoff, Ann R | ENVIRONMENT&PUBLIC WKS | 03/07/2017 | 03/06/2018 | 
 
  | 
 
| Middleton, Brandon M | SENATOR SESSIONS | 01/30/2017 | 01/29/2018 | 
 
  | 
 
| Mikulski, Barbara A | SENATOR MIKULSKI (MD) | 01/03/2017 | 01/02/2019 | 
 
  | 
 
| Milberg, Hayden S | SEL COMM ON INTELL | 12/01/2017 | 11/30/2018 | 
 
  | 
 
| Miller, Andree T | SMALL BUSINESS REP | 03/20/2017 | 03/19/2018 | 
 
  | 
 
| Mirani, Jean N | SENATOR COATS | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Mirani, Viraj M | JOINT ECONOMIC COMMITTEE | 03/05/2017 | 03/04/2018 | 
 
  | 
 
| Modaff, Peter J | SENATOR CANTWELL | 05/01/2017 | 04/30/2018 | 
 
  | 
 
| Mody, Arjun  | MAJORITY POLICY COMMITTEE | 04/24/2017 | 04/23/2018 | 
 
  | 
 
| Monier, Stephen R | SENATOR AYOTTE | 03/03/2017 | 03/02/2018 | 
 
  | 
 
| Moore, Brenda S | SENATOR VITTER | 01/01/2017 | 12/31/2017 | 
 
  | 
 
| Moran, Tyler T | MINORITY LEADER (D) | 02/02/2017 | 02/01/2018 | 
 
  | 
 
| Morgan, Derrick D | SENATOR SASSE | 05/06/2017 | 05/05/2018 | 
 
  | 
 
| Murphy, Richard B | SENATOR AYOTTE | 02/01/2017 | 01/31/2018 | 
 
  | 
 
| Napoliello, David  | ENVIRONMENT&PUBLIC WKS | 03/07/2017 | 03/06/2018 | 
 
  | 
 
| Neale, Brian  | JOINT ECONOMIC COMMITTEE | 01/20/2017 | 01/19/2018 | 
 
  | 
 
| Newman, Ryan D | SENATOR CRUZ | 01/20/2017 | 01/19/2018 | 
 
  | 
 
| Novascone, Todd  | SENATOR MORAN | 02/18/2017 | 02/17/2018 | 
 
  | 
 
| Oppenheim, Peter  | HEALTH,EDUCATN,LBR&PEN R | 08/11/2017 | 08/10/2018 | 
 
  | 
 
| Ordal, Paul M | SENATOR BOXER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Owen, Matthew S | HS & GA | 04/10/2017 | 04/09/2018 | 
 
  | 
 
| Pappas, Max  | SENATOR CRUZ | 02/16/2017 | 02/15/2018 | 
 
  | 
 
| Park, Chan  | JUDICIARY | 09/09/2017 | 09/08/2018 | 
 
  | 
 
| Parkin, L Shaun | RULES & ADMINISTRATION 81D | 05/21/2017 | 05/20/2018 | 
 
  | 
 
| Parks, Derron R | SPECIAL COMM ON AGING DEM | 05/06/2017 | 05/05/2018 | 
 
  | 
 
| Patel, Neal A | SENATOR HELLER | 03/13/2017 | 03/12/2018 | 
 
  | 
 
| Phillips, Brian M | JOINT ECONOMIC COMMITTEE | 04/06/2017 | 04/05/2018 | 
 
  | 
 
| Pickle, Chloe W | SENATOR COTTON | 06/17/2017 | 06/16/2018 | 
 
  | 
 
| Poirier, Bettina M | ENVIRONMENT&PUBLIC WKS | 03/10/2017 | 03/09/2018 | 
 
  | 
 
| Poplstein, Charles J | SENATOR GARDNER | 05/03/2017 | 05/02/2018 | 
 
  | 
 
| Porter, Robert R | PRESIDENT PRO TEM | 01/20/2017 | 01/19/2018 | 
 
  | 
 
| Quinalty, David B | COMMERCE,SCIENCE&TRAN | 09/11/2017 | 09/10/2018 | 
 
  | 
 
| Quinn, Leslie H | SENATOR VITTER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Rafferty, Palmer W | SENATOR VITTER | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Rainer, Melanie F | HEALTH,EDUCATN,LBR&PEN D | 04/03/2017 | 04/02/2018 | 
 
  | 
 
| Rainey, Judy K | SENATOR VAN HOLLEN | 04/22/2017 | 04/21/2018 | 
 
  | 
 
| Redfield, Devon A | SMALL BUSINESS REP | 05/01/2017 | 04/30/2018 | 
 
  | 
 
| Reid, Harry  | SENATOR REID (NV) | 01/03/2017 | 01/02/2019 | 
 
  | 
 
| Riedl, Brian  | SENATOR PORTMAN | 03/04/2017 | 03/03/2018 | 
 
  | 
 
| Rigby, Haliburton P | COMMERCE,SCIENCE&TRAN | 02/21/2017 | 02/20/2018 | 
 
  | 
 
| Roberts, Austin T | SENATOR SULLIVAN | 10/02/2017 | 10/01/2018 | 
 
  | 
 
| Robison, Charles  | SENATOR DAINES | 06/05/2017 | 06/04/2018 | 
 
  | 
 
| Row, Matthew J | SENATOR COATS | 01/03/2017 | 01/02/2018 | 
 
  | 
 
| Rubiner, Laurie  | SENATOR BLUMENTHAL | 09/06/2017 | 09/05/2018 | 
 
  | 
 
| Rueda, Jorge M | VETERANS AFFAIRS D | 12/18/2017 | 12/17/2018 | 
 
  | 
 
| Rushforth, Tyler N | ENVIRONMENT&PUBLIC WKS | 03/07/2017 | 03/06/2018 | 
 
  | 
 
| Santos, Jennifer S | COMMITTEE ON APPROPRIATIONS | 07/01/2017 | 06/30/2018 | 
 
  | 
 
| Savage, Darcell M | MINORITY LEADER (D) | 03/03/2017 | 03/02/2018 | 
 
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| Sawyer, Jared C | BANKING,HOUSING&URB AFFS | 06/12/2017 | 06/11/2018 | 
 
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| Sayle, Desiree T | SEL COMM ON INTELL | 02/06/2017 | 02/05/2018 | 
 
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| Schiller, Laura Elizabeth | SENATOR KLOBUCHAR | 09/06/2017 | 09/05/2018 | 
 
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| Schoultz, Nichelle  | SENATOR MIKULSKI | 01/03/2017 | 01/02/2018 | 
 
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| Sessions, Jefferson B | SENATOR SESSIONS (AL) | 02/09/2017 | 02/08/2019 | 
 
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| Shakir, Faiz R | MINORITY LEADER (D) | 02/16/2017 | 02/15/2018 | 
 
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| Shifrin, Ian F | CONFERENCE OF THE MINORITY | 03/03/2017 | 03/02/2018 | 
 
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| Shipley, Matthew  | SENATOR CRUZ | 08/19/2017 | 08/18/2018 | 
 
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| Shipp, Rebecca D | COMM ON FINANCE  | 10/01/2017 | 09/30/2018 | 
 
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| Simmons, Lee Douglass R | SENATOR PORTMAN | 02/13/2017 | 02/12/2018 | 
 
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| Singh, Manisha  | SENATOR SULLIVAN | 11/23/2017 | 11/22/2018 | 
 
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| Slemrod, Jonathan  | MAJORITY WHIP | 03/13/2017 | 03/12/2018 | 
 
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| Smith, Stacey R | SENATOR BOXER | 01/03/2017 | 01/02/2018 | 
 
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| Smith, Kathleen A | HEALTH,EDUCATN,LBR&PEN R | 02/19/2017 | 02/18/2018 | 
 
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| Soofer, Robert  | ARMED SERVICES | 04/15/2017 | 04/14/2018 | 
 
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| Stanley, Christopher J | SENATOR KENNEDY (J) | 11/01/2017 | 10/31/2018 | 
 
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| Starling, Ray A | SENATOR TILLIS | 02/23/2017 | 02/22/2018 | 
 
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| Stayman, Allen P | ENERGY&NAT RESOURCES | 01/04/2017 | 01/03/2018 | 
 
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| Steele, Graham S | BANKING,HOUSING&URB AFFS | 09/10/2017 | 09/09/2018 | 
 
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| Stegner, Peter D | SENATOR CRAPO | 12/30/2017 | 12/29/2018 | 
 
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| Sterne, Kate N | MAJORITY WHIP | 08/02/2017 | 08/01/2018 | 
 
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| Stormes, Janet K | COMMITTEE ON APPROPRIATIONS | 01/01/2017 | 12/31/2017 | 
 
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| Strayer, Robert L | FOREIGN RELATIONS | 09/17/2017 | 09/16/2018 | 
 
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| Talento, Kathryn F | SENATOR TILLIS | 01/20/2017 | 01/19/2018 | 
 
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| Tamerjan, Annabelle M | JOINT ECONOMIC COMMITTEE | 04/06/2017 | 04/05/2018 | 
 
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| Thornton, Norwood C | AGRICULTURE,NUTR&FOR | 04/16/2017 | 04/15/2018 | 
 
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| Tolar, Helen W | SENATOR BOOZMAN | 10/21/2017 | 10/20/2018 | 
 
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| Tomanelli, Lucas S | SMALL BUSINESS REP | 04/18/2017 | 04/17/2018 | 
 
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| Towles, Sarah A | SENATOR FLAKE | 08/14/2017 | 08/13/2018 | 
 
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| Unger, Jason M | MINORITY LEADER (D) | 03/03/2017 | 03/02/2018 | 
 
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| Unruh Cohen, Ana L | SENATOR MARKEY | 07/11/2017 | 07/10/2018 | 
 
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| Upton, Marianne Clifford | COMMITTEE ON APPROPRIATIONS | 08/07/2017 | 08/06/2018 | 
 
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| Vina, Stephen R | HS & GA  | 04/24/2017 | 04/23/2018 | 
 
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| Vinovich, Paul  | RULES & ADMINISTRATION 81D | 05/21/2017 | 05/20/2018 | 
 
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| Vitter, David  | SENATOR VITTER (LA) | 01/03/2017 | 01/02/2019 | 
 
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| Walters, Anthony  | INDIAN AFFAIRS DEM | 04/03/2017 | 04/02/2018 | 
 
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| Warren, Peter N | COMM ON THE BUDGET | 05/24/2017 | 05/23/2018 | 
 
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| Wheelbarger, Kathryn L | ARMED SERVICES | 02/01/2017 | 01/31/2018 | 
 
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| White, Jennifer  | ARMED SERVICES | 06/03/2017 | 06/02/2018 | 
 
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| White, Joyce M | SENATOR PERDUE | 10/28/2017 | 10/27/2018 | 
 
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| Wiggenhorn, Severin Elizabeth | ENERGY&NAT RESOURCES | 08/14/2017 | 08/13/2018 | 
 
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| Wilkie, Robert L | SENATOR TILLIS | 11/28/2017 | 11/27/2018 | 
 
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| Willison, Andrew B | MINORITY LEADER CONSULTANTS(D) | 03/03/2017 | 03/02/2018 | 
 
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| Windon, Jeannette M | SENATOR KIRK | 03/03/2017 | 03/02/2018 | 
 
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| Wise, James D | SENATOR TESTER | 01/09/2017 | 01/08/2018 | 
 
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| Wong, Phoebe T | JOINT ECONOMIC COMMITTEE | 04/06/2017 | 04/05/2018 | 
 
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| Wong, Alex N | SENATOR COTTON | 12/10/2017 | 12/09/2018 | 
 
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| Zadrozny, John  | SENATOR CRUZ | 01/20/2017 | 01/19/2018 | 
 
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| Zorc, Bethany Ann | BANKING,HOUSING&URB AFFS | 04/24/2017 | 04/23/2018 | 
 
 
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