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Senators Who Served as Ambassadors or Held Diplomatic Posts

Since 1789, 75 senators have served as ambassadors, and a total of 89 have served as ambassadors or held other diplomatic posts.  Some diplomatic titles have been abbreviated, a key to abbreviations is below.

Name & Senate Service DatesTitleCountryDates as Diplomat
John Quincy Adams (1803-1808)

Minister Resident

Minister Resident

Minister Plenipotentiary

EE/MP

Netherlands

Prussia

Russia

United Kingdom

1794-1797

1797-1801

1809-1814

1815-1817

John Armstrong (1802-1804) Minister Plenipotentiary France1804-1810
Warren R. Austin (1931-1804)RepresentativeUnited Nations1947-1953
Arthur P. Bagby (1841-1848)EE/MPRussia1848-1849
Howard Baker (1967-1984)AmbassadorJapan2001-2005
James Barbour (1813-1826)EE/MPUnited Kingdom1828-1829
Max S. Baucus (1978-2014)AmbassadorChina2014-present
Richard H. Bayard (1836-1839;1841-1845) Charge d'Affaires Belgium 1850-1853
Thomas F. Bayard (1869-1886)AE/PGreat Britian1893-1897
Solon Borland (1847-1853)EE/MPCentral America1853-1854
Wiilam E. Brock III (1971-1977)U.S. Trade Rep.   1981-1985
Ethan Allen Brown (1822-1825)Charge d'AffairesBrazil1830-1834
James Buchanan (1834-1845)

EE/MP

EE/MP

Russia

United Kingdom

1832-1833

1853-1856

Simon Cameron (1845-1849;

1857-1861; 1867-1877)

EE/MP

Russia

1862

George W. Campbell (1811-1814;

1815-1818)

EE/MP

Russia

1818-1820

Lewis Cass (1845-1857)EE/MPFrance1836-1842
Person C. Cheney (1886-1887)EE/MPSwitzerland1892-1893
Isaac P. Christiancy (1875-1879)EE/MPPeru1879-1881
Richard C. Clark (1973-1979) Amb. at Large   1979
Powell Clayton (1871-1877)EEMP, AE/PMexico1897-1905
Daniel Coats (1989-1999)AmbassadorGermany2001-2005
John Sherman Cooper (1946- 1949; 1952-1955; 1956-1973)

AE/P

AE/P

India & Nepal

German Dem. Republic

1995-1956

1974-1976

Thomas Corwin (1845-1850)EE/MPMexico1861-1864
William H. Crawford (1807-1813)MPFrance1813-1815
George M. Dallas (1831-1833)

EE/MP

EE/MP

Russia

United Kingdom

1837-1839

1856-1861

John Danforth ( 1976-1995)AE/PUnited Nations2004-2005
William L. Dayton (1842-1851)EE/MPFrance1861-1864
John A. Dix (1845-1849)EE/MPFrance1866-1869
Augustus C. Dodge (1848-1855)EE/MPSpain1855-1859
Peter H. Dominick (1963-1975)AE/PSwitzerland1975
John H. Eaton (1818-1829)EE/MPSpain1836-1840
Walter E. Edge (1919-1929)AE/PFrance1929-1933
Powhatan Ellis (1825-1832)

Charge d’Affaires

EE/MP

Mexico

Mexico

1836

1839-1842

James B. Eustis (1876-1879; 1885-1891) AE/P France 1893-1897
Edward Everett (1853-1854)EE/MPUnited Kingdom1841-1845
Homer Ferguson (1943-1955)AE/PPhilippines1955-1956
George G. Fogg (1866-1867)Minister ResidentSwitzerland1861-1865
John Forsyth (1818-1819; 1829-1834) Minister Plenipotentiary Spain 1819-1823
Wyche Fowler, Jr. (1987-1993)AmbassadorSaudi Arabia1997-2001
James S. Green (1857-1861)Charge d’AffairesNew Granada*1853-1854
John P. Hale (1847-1853; 1855-1865) EE/MP Spain 1865-1869
Hannibal Hamlin ( 1848-1849; 1869-1881) EE/MP Spain 1881-1882
Edward A. Hannegan (1843-1849)EE/MPPrussia1849-1850
Chic Hecht (1983-1989)AE/PThe Bahamas1989-1993
Robert Hendrickson (1949-1955) AE/PNew Zealand1955-1956
William Hunter (1811-1821)CdA, EE/MPBrazil1834-1843
Thomas J. Jarvis (1894-1895) EE/MPBrazil1885-1888
Reverdy Johnson (1845-1849; 1863-1868)

EE/MP

England 1868-1869
George W. Jones (1848-1859)MRNew Granada*1859-1861
Kenneth B. Keating (1959-1965)

AE/P

AE/P

India

Israel

1969-1972

1973-1975

Frank B. Kellogg (1917-1923)AE/PGreat Britain1923-1925
Rufus King (1789-1796; 1813-1825)

MP

EE/MP

Great Britain

United Kingdom

1796-1803

1825-1826

William R. King (1819-1844;1848-1852) EE/MP France 1844-1846
Robert C. Krueger (1993)

Ambassador at Large

Ambassador

Ambassador

 

Burundi

Botswana

1979-1981

1994-1996

1996-1999

Edward Livingston (1829-1831)EE/MPFrance1833-1835
Henry C. Lodge, Jr. (1937-1944; 1947-1953)

Representative

AE/P

Amb. at Large

AE/P

Personal Rep.

United Nations

Vietnam

 

Germany

Vatican

1953-1960

1965-1967

1967-1968

1968-1969

1970-1977

Michael Mansfield (1953-1977)AE/PJapan1977-1988
Mack Mattingly (1981-1987)AE/PSeychelles1992-1993
Gale W. McGee (1959-1977)Perm. Rep. OAS1977-1981
George McGovern (1963-1981) Ambassador

UN Food and

Agriculture

Agency

1998-2001
Louis McLane (1827-1829)

EE/MP

EE/MP

United Kingdom

United Kingdom

1829-1831

1845-1846

Walter F. Mondale (1964-1976)AE/PJapan1993-1996
James Monroe (1790-1794)

MP

MP

France

Great Britain

1794-1796

1803-1807

Dwight W. Morrow (1930-1931)AmbassadorMexico1927-1930
Carol Moseley-Braun (1993-1999)AmbassadorNew Zealand1999-2001
Daniel Patrick Moynihan (1977-2001) AE/P India 1973-1975
Thomas W. Palmer (1883-1889)EE/MPSpain1889-1890
Frank C. Partridge (1930-1931)EE/MPVenezuela1893-1894
George H. Pendleton (1879-1885)EE/MPGermany1885-1889
Samuel H. Piles (1905-1911)EE/MPColombia1922-1928
Charles Pinckney (1789-1801)Minister PlenipotentiarySpain1801-1804
William Pinkney (1819-1822)

Minister Plenipotentiary

EE/MP

Great Britain

Russia

1808-1811

1816-1818

Miles Poindexter (1911-1932)AE/PPeru1923-1928
Matt W. Ransom (1872-1895)EE/MPMexico1895-1897
William C. Rives (1832-1834; 1836-1839; 1841-1845) EE/MP France 1829-1832
Frederic M. Sackett (1925-1930)AE/PGermany1930-1933
Aaron A. Sargent (1873-1879)EE/MPGermany1882-1884
James R. Sasser (1977-1995)AE/PChina1995-1999
William B. Saxbe (1969-1974)AE/PIndia1975-1976
Carl Schurz (1869-1875)EE/MPSpain1861
James Semple (1843-1847)Charge D'AffairesNew Granada*1837-1842
Pierre Soule (1847; 1849-1853) EE/MP Spain 1853-1855
John P. Stockton (1865-1866; 1869-1875) Minister Resident Papal States 1858-1861
Richard B. Stone (1975-1980) Ambassador at Large  1983-1984
Martin Van Buren**(1821-1828)EE/MPUnited Kingdom1831-1832
John Weller (1852-1857)EE/MPMexico1860-1861
William Wilkins (1831-1834)EE/MPRussia1834-1835
John Williams (1815-1823)Charge D’AffairesCentral America1825-1826
Joseph Wright (1862-1863)

EE/MP

 

Prussia

 

1857-1861

1865-1867

AE/P = Ambassador Extrodinary and Plenipotentiary

EE/MP = Envoy Extrodinary and Minister Plenipotentiary

Perm. Rep. = Permanent Representative

CdA = Charge d'Affaires

OAS = Organization of American States

* Colombia

**Nomination rejected by the Senate in January 1832 after he had begun his service.

Source: U.S. Department of State, Principal Officers of the Department of State and United States Chiefs of Mission, 1778-1990, Dept. of State Publication 9825, January 1991; news accounts.