List of ambassadors of the United States to Costa Rica

The following is a list of United States ambassadors, or other chiefs of mission, to Costa Rica. On February 16, 2022, Cynthia Telles was sworn in as the 60th ambassador to the Republic of Costa Rica.

Representative	Title	Presentation of credentials	Termination of mission	Appointed by
Solon Borland[1]	Envoy Extraordinary and Minister Plenipotentiary	[2]	April 17, 1854	Franklin Pierce
Mirabeau B. Lamar[1]	Minister Resident	September 14, 1858	May 20, 1859	James Buchanan
Alexander Dimitry[1]		September 29, 1859	April 27, 1861
Charles N. Riotte		August 29, 1861	January 18, 1867	Abraham Lincoln
Albert G. Lawrence		January 18, 1867	June 24, 1868	Andrew Johnson
Jacob B. Blair		October 6, 1868	June 30, 1873
George Williamson[3]		August 13, 1873	January 31, 1879	Ulysses S. Grant
Cornelius A. Logan[3]		December 25, 1879	April 17, 1882	Rutherford B. Hayes
Henry Cook Hall[3][4]	Envoy Extraordinary and Minister Plenipotentiary	November 22, 1882	May 16, 1889	Chester A. Arthur
Lansing B. Mizner[3]		August 30, 1889	December 31, 1890	Benjamin Harrison
Romualdo Pacheco[3]		May 7, 1891	October 31, 1891
Richard Cutts Shannon[5]		October 31, 1891	April 30, 1893
Lewis Baker[5]		May 20, 1893	December 9, 1897	Grover Cleveland
William L. Merry[6]		January 15, 1898	March 4, 1911	William McKinley
Lewis Einstein		November 3, 1911	December 29, 1911	William H. Taft
Edward J. Hale		August 29, 1913	April 19, 1917[7]	Woodrow Wilson
Stewart Johnson	Chargé d'Affaires ad interim	April 19, 1917	December 5, 1918
John F. Martin, Jr.		October 15, 1920	January 1921
Walter C. Thurston		January 1921	March 1922	Warren G. Harding
Roy T. Davis	Envoy Extraordinary and Minister Plenipotentiary	March 14, 1922	January 4, 1930
Charles C. Eberhardt	Envoy Extraordinary and Minister Plenipotentiary	March 14, 1930	September 24, 1933	Herbert Hoover
Leo R. Sack		October 16, 1933	January 10, 1937	Franklin D. Roosevelt
William H. Hornibrook		September 2, 1937	September 1, 1941
Arthur Bliss Lane		October 27, 1941	March 17, 1942
Robert M. Scotten		March 31, 1942	April 20, 1943
Fay Allen Des Portes	Ambassador Extraordinary and Plenipotentiary	May 20, 1943	September 11, 1944
Hallett Johnson		February 14, 1945	May 16, 1947
Walter J. Donnelly		June 27, 1947	October 15, 1947	Harry S. Truman
Nathaniel Penistone Davis		January 31, 1948	June 8, 1949
Joseph Flack		August 13, 1949	September 21, 1950
Philip Bracken Fleming		November 20, 1951	August 7, 1953
Robert C. Hill		November 4, 1953	September 10, 1954	Dwight D. Eisenhower
Robert F. Woodward		December 3, 1954	March 15, 1958
Whiting Willauer		May 5, 1958	April 17, 1961
Raymond Telles		May 22, 1961	February 19, 1967	John F. Kennedy
Clarence A. Boonstra		March 8, 1967	August 11, 1969	Lyndon B. Johnson
Walter C. Ploeser		April 27, 1970	April 13, 1972	Richard Nixon
Viron P. Vaky		October 17, 1972	February 9, 1974
Terence A. Todman		March 17, 1975	January 24, 1977	Gerald Ford
Marvin Weissman		June 28, 1977	March 22, 1980	Jimmy Carter
Francis J. McNeil		July 8, 1980	June 27, 1983
Curtin Winsor, Jr.		July 14, 1983	February 18, 1985	Ronald Reagan
Lewis Arthur Tambs		August 1, 1985	January 1, 1987
Deane Roesch Hinton		November 17, 1987	January 4, 1990
Luis Guinot, Jr.		August 27, 1991	March 1, 1993	George H. W. Bush
Robert O. Homme	Chargé d'Affaires ad interim	March 1, 1993	July 1993	Bill Clinton
Donald Harrington		July 1993	August 1993
Joseph Becelia		August 1993	October 21, 1994
Peter Jon de Vos	Ambassador Extraordinary and Plenipotentiary	October 21, 1994	October 14, 1997
Thomas J. Dodd, Jr.		November 26, 1997	March 1, 2001
John J. Danilovich		October 10, 2001	June 1, 2004	George W. Bush
Mark Langdale		November 8, 2005	July 31, 2007
Peter M. Brennan	Chargé d'Affaires ad interim	August 1, 2007	May 5, 2008
Peter Cianchette	Ambassador Extraordinary and Plenipotentiary	May 5, 2008	June 19, 2009
Anne S. Andrew		January 12, 2010	June 12, 2013	Barack Obama
S. Fitzgerald Haney		July 8, 2015	July 15, 2017
Sharon Day		September 25, 2017	January 20, 2021	Donald Trump
Cynthia Telles		March 11, 2022	Present	Joe Biden

Ambassador of the United States to Costa Rica
Seal of the United States Department of State
Incumbent Cynthia Telles since March 11, 2022
Nominator	The President of the United States
Appointer	The President with Senate advice and consent
Inaugural holder	Solon Borland as Envoy Extraordinary and Minister Plenipotentiary
Website	U.S. Embassy - San Jose

See also

• Costa Rica – United States relations
• Foreign relations of Costa Rica
• Ambassadors of the United States

References

1. Commissioned to Central America; resident at Managua.
2. Borland did not present credentials in Costa Rica
3. Commissioned to "the Central American States" but accredited individually to Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua; resident at Guatemala.
4. Hall was appointed first as Minister Resident on April 17, 1882, and then promoted to “Envoy Extraordinary and Minister Plenipotentiary” on July 13, 1882; he presented both sets of credentials the same day, November 22, 1882.
5. Also accredited to El Salvador and Nicaragua; resident at Managua.
6. Originally accredited to Costa Rica, El Salvador, and Nicaragua; after December 12, 1907, only to Costa Rica and Nicaragua; after July 1, 1908, only Costa Rica. Resident at San José.
7. Normal relations interrupted, January 27, 1917.

• "U.S. Diplomatic chiefs of mission to Costa Rica". The Political Graveyard. March 10, 2005. Retrieved August 27, 2007.
• United States Department of State: Background notes on Costa Rica
•  This article incorporates public domain material from U.S. Bilateral Relations Fact Sheets. United States Department of State.

External links

• United States Department of State: Chiefs of Mission for Costa Rica
• United States Department of State: Costa Rica
• United States Embassy in San Jose