List of ambassadors of the United States to the Organization of American States information
Permanent Representative of the United States to the Organization of American States
Seal of the United States Department of State
Incumbent Francisco O. Mora since January 18, 2023
Nominator
President of the United States
Inaugural holder
William Dawson
Formation
1948
Website
U.S. Mission – OAS
The following is a list of people who have served as United States Ambassador to the Organization of American States, or the full title, "United States Permanent Representative to the Organization of American States", with the rank and status of Ambassador Extraordinary and Plenipotentiary.[1]
Name
Years served
OAS Secretary(ies) General
U.S. President(s)
William Dawson
1948
Alberto Lleras Camargo
Harry S. Truman
Paul C. Daniels
1948–1951
Alberto Lleras Camargo
Harry S. Truman
John C. Dreier
1951–1960
Alberto Lleras Camargo, Carlos Dávila, José Antonio Mora
Harry S. Truman, Dwight Eisenhower
deLesseps S. Morrison
1961–1963
José Antonio Mora
John F. Kennedy
Ellsworth Bunker
1964–1966
José Antonio Mora
Lyndon Johnson
Sol M. Linowitz
1966–1969
José Antonio Mora, Galo Plaza
Lyndon Johnson
Joseph J. Jova
1969–1974
Galo Plaza
Richard Nixon
William S. Mailliard
1974–1977
Galo Plaza, Alejandro Orfila
Richard Nixon, Gerald Ford
Gale W. McGee
1977–1981
Alejandro Orfila
Jimmy Carter, Ronald Reagan
J. William Middendorf
1981–1985
Alejandro Orfila, João Clemente Baena Soares
Ronald Reagan
Richard Thomas McCormack
1985–1989
João Clemente Baena Soares
Ronald Reagan
Luigi R. Einaudi
1989–1993
João Clemente Baena Soares
George H. W. Bush, Bill Clinton
Harriet C. Babbitt
1993–1997
João Clemente Baena Soares, César Gaviria
Bill Clinton
Victor Marrero
1998-1999
César Gaviria
Bill Clinton
Luis J. Lauredo
2000–2001
César Gaviria
Bill Clinton
Roger Francisco Noriega
2001–2003
César Gaviria
George W. Bush
John F. Maisto
2003–2007
César Gaviria, Miguel Ángel Rodríguez, Luigi R. Einaudi (acting), José Miguel Insulza
George W. Bush
Hector Morales
2008–2009[1]
José Miguel Insulza
George W. Bush
Carmen Lomellin
2009–2016
José Miguel Insulza, Luis Almagro
Barack Obama
Carlos Trujillo
2018–2021
Luis Almagro
Donald Trump
Francisco O. Mora
2023–present
Luis Almagro
Joe Biden
^ ab"Hector E. Morales, Jr. Permanent Representative, Organization of American States Term of Appointment: 03/06/2008 to present". United States Department of State. 2008-03-21. Retrieved 2020-05-14.
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