History / Offices

Ambassador to the United Nations

42 people have held this office since Jan 17, 1946. Now: Mike Waltz R.

Holders
42
17 D · 16 R · 9 U
Longest tenure
7.6 years
Henry Cabot Lodge Jr.
Current
13 months
Mike Waltz, since Sep 21, 2025
history/office/ambassador-to-the-united-nationsEvery holder, newest first
+42
19501960197019801990200020102020Edward Reilly Stettinius, Jr. · 1946-01-17 – 1946-06-03 · DemocratHerschel Johnson · 1946-06-03 – 1947-01-14 · DemocratWarren Austin · 1947-01-14 – 1953-01-22 · RepublicanHenry Cabot Lodge Jr. · 1953-01-26 – 1960-09-03 · RepublicanJames Jeremiah Wadsworth · 1960-09-08 – 1961-01-21 · RepublicanAdlai Stevenson II · 1961-01-23 – 1965-07-14 · DemocratArthur Goldberg · 1965-07-28 – 1968-06-24 · DemocratGeorge Ball · 1968-06-26 – 1968-09-25 · DemocratJames Russell Wiggins · 1968-10-07 – 1969-01-20 · DemocratCharles Woodruff Yost · 1969-01-23 – 1971-02-25 · DemocratGeorge H. W. Bush · 1971-03-01 – 1973-01-18 · RepublicanJohn A. Scali · 1973-02-20 – 1975-06-29 · RepublicanDaniel Patrick Moynihan · 1975-06-30 – 1976-02-02 · DemocratWilliam Scranton · 1976-03-15 – 1977-01-19 · RepublicanAndrew Young · 1977-01-30 – 1979-09-23 · DemocratDonald McHenry · 1979-09-23 – 1981-01-20 · DemocratJeane Kirkpatrick · 1981-02-04 – 1985-04-01 · DemocratVernon A. Walters · 1985-05-22 – 1989-03-15 · RepublicanThomas R. Pickering · 1989-03-20 – 1992-05-07Edward J. Perkins · 1992-05-12 – 1993-01-27 · RepublicanMadeleine Albright · 1993-01-27 – 1997-01-21 · DemocratBill Richardson · 1997-02-18 – 1998-08-18 · DemocratPeter Burleigh · 1998-08-18 – 1999-09-07Richard Holbrooke · 1999-09-07 – 2001-01-20 · DemocratJames Cunningham · 2001-01-20 – 2001-09-19John Negroponte · 2001-09-19 – 2004-06-23 · RepublicanJohn Danforth · 2004-07-23 – 2005-01-20 · RepublicanAnne W. Patterson · 2005-01-20 – 2005-08-01John Bolton · 2005-08-01 – 2006-12-09 · RepublicanAlejandro Daniel Wolff · 2006-12-31 – 2007-04-30Zalmay Khalilzad · 2007-04-30 – 2009-01-20 · RepublicanSusan Rice · 2009-01-22 – 2013-06-30 · DemocratRosemary DiCarlo · 2013-06-30 – 2013-08-05 · RepublicanSamantha Power · 2013-08-05 – 2017-01-20 · DemocratMichele J. Sison · 2017-01-20 – 2017-01-27Nikki Haley · 2017-01-27 – 2018-12-31 · RepublicanJonathan Cohen · 2019-01-01 – 2019-09-12Kelly Craft · 2019-09-12 – 2021-01-20 · RepublicanRichard M. Mills, Jr. · 2021-01-20 – 2021-02-25Linda Thomas-Greenfield · 2021-02-25 – 2025-01-20 · DemocratMike Waltz · 2025-09-21 – present · RepublicanJames E. Baker · 1976-01-01 – 1980-01-01
Mike Waltz R
Sep 21, 2025 – present · 13 months · appointed by Donald Trump
Linda Thomas-Greenfield D
Feb 25, 2021 – Jan 20, 2025 · 3.9 years · appointed by Joe Biden
Richard M. Mills, Jr.
Jan 20, 2021 – Feb 25, 2021 · 36 days · appointed by Joe Biden
Kelly Craft R
Sep 12, 2019 – Jan 20, 2021 · 16 months · appointed by Phil Baker
Jonathan Cohen
Jan 1, 2019 – Sep 12, 2019 · 8 months · appointed by Phil Baker
Nikki Haley R
Jan 27, 2017 – Dec 31, 2018 · 23 months · appointed by Donald Trump
Michele J. Sison
Jan 20, 2017 – Jan 27, 2017 · 7 days · appointed by Donald Trump
Samantha Power D
Aug 5, 2013 – Jan 20, 2017 · 3.5 years · appointed by Barack Obama
Rosemary DiCarlo R
Jun 30, 2013 – Aug 5, 2013 · 36 days · appointed by Barack Obama
Susan Rice D
Jan 22, 2009 – Jun 30, 2013 · 4.4 years · appointed by Barack Obama
Zalmay Khalilzad R
Apr 30, 2007 – Jan 20, 2009 · 21 months · appointed by George W. Bush
Alejandro Daniel Wolff
Dec 31, 2006 – Apr 30, 2007 · 4 months · appointed by George W. Bush
John Bolton R
Aug 1, 2005 – Dec 9, 2006 · 16 months · appointed by George W. Bush
Anne W. Patterson
Jan 20, 2005 – Aug 1, 2005 · 6 months · appointed by George W. Bush
John Danforth R
Jul 23, 2004 – Jan 20, 2005 · 6 months · appointed by George W. Bush
John Negroponte R
Sep 19, 2001 – Jun 23, 2004 · 2.8 years · appointed by George W. Bush
James Cunningham
Jan 20, 2001 – Sep 19, 2001 · 8 months · appointed by George W. Bush
Richard Holbrooke D
Sep 7, 1999 – Jan 20, 2001 · 16 months · appointed by Bill Clinton
Peter Burleigh
Aug 18, 1998 – Sep 7, 1999 · 13 months · appointed by Bill Clinton
Bill Richardson D
Feb 18, 1997 – Aug 18, 1998 · 18 months · appointed by Bill Clinton
Madeleine Albright D
Jan 27, 1993 – Jan 21, 1997 · 4 years · appointed by Bill Clinton
Edward J. Perkins R
May 12, 1992 – Jan 27, 1993 · 9 months · appointed by George H. W. Bush
Thomas R. Pickering
Mar 20, 1989 – May 7, 1992 · 3.1 years · appointed by George H. W. Bush
Vernon A. Walters R
May 22, 1985 – Mar 15, 1989 · 3.8 years · appointed by Ronald Reagan
Jeane Kirkpatrick D
Feb 4, 1981 – Apr 1, 1985 · 4.2 years · appointed by Ronald Reagan
Donald McHenry D
Sep 23, 1979 – Jan 20, 1981 · 16 months · appointed by Jimmy Carter
Andrew Young D
Jan 30, 1977 – Sep 23, 1979 · 2.6 years · appointed by Jimmy Carter
William Scranton R
Mar 15, 1976 – Jan 19, 1977 · 10 months · appointed by Gerald Ford
James E. Baker
Jan 1, 1976 – Jan 1, 1980 · 4 years · appointed by Gerald Ford
Daniel Patrick Moynihan D
Jun 30, 1975 – Feb 2, 1976 · 7 months · appointed by Gerald Ford
John A. Scali R
Feb 20, 1973 – Jun 29, 1975 · 2.4 years · appointed by Richard Nixon
George H. W. Bush R
Mar 1, 1971 – Jan 18, 1973 · 23 months · appointed by Richard Nixon
Charles Woodruff Yost D
Jan 23, 1969 – Feb 25, 1971 · 2.1 years · appointed by Richard Nixon
James Russell Wiggins D
Oct 7, 1968 – Jan 20, 1969 · 3 months · appointed by Lyndon B. Johnson
George Ball D
Jun 26, 1968 – Sep 25, 1968 · 3 months · appointed by Lyndon B. Johnson
Arthur Goldberg D
Jul 28, 1965 – Jun 24, 1968 · 2.9 years · appointed by Lyndon B. Johnson
Adlai Stevenson II D
Jan 23, 1961 – Jul 14, 1965 · 4.5 years · appointed by John F. Kennedy
James Jeremiah Wadsworth R
Sep 8, 1960 – Jan 21, 1961 · 4 months · appointed by Dwight D. Eisenhower
Henry Cabot Lodge Jr. R
Jan 26, 1953 – Sep 3, 1960 · 7.6 years · appointed by Dwight D. Eisenhower
Warren Austin R
Jan 14, 1947 – Jan 22, 1953 · 6 years · appointed by Harry S. Truman
Herschel Johnson D
Jun 3, 1946 – Jan 14, 1947 · 7 months · appointed by Harry S. Truman
Edward Reilly Stettinius, Jr. D
Jan 17, 1946 – Jun 3, 1946 · 5 months · appointed by Harry S. Truman

Dates are from Wikidata, which has gaps for some historical offices. Consecutive terms of one person are merged.