U.S. Ambassadors to Thailand (1882 – Present)

Name: John A. Halderman State of Residency: Missouri Title: Minister Resident/Consul General Appointment: July 13, 1882 Presentation of Credentials: October 23, 1882 Termination of Mission: Left post April 1, 1885 Note: Commissioned to Siam.

Name: Jacob T. Child State of Residency: Missouri Title: Minister Resident/Consul General Appointment: March 9, 1886 Presentation of Credentials: June 5, 1886 Termination of Mission: Presented recall, January 17, 1891 Note: Commissioned to Siam.

Name: Sempronius H. Boyd State of Residency: Missouri Title: Minister Resident/Consul General Appointment: October 1, 1890 Presentation of Credentials: January 17, 1891 Termination of Mission: Relinquished charge, June 13, 1892 Note: Commissioned to Siam.

Name: John Barrett State of Residency: Oregon Title: Minister Resident/Consul General Appointment: February 14, 1894 Presentation of Credentials: November 15, 1894 Termination of Mission: Presented recall, April 26, 1898 Note: Commissioned to Siam.

Name: Hamilton King State of Residency: Michigan Title: Minister Resident/Consul General Appointment: January 14, 1898 Presentation of Credentials: April 26, 1898 Termination of Mission: Promoted to Envoy Extraordinary and Minister Plenipotentiary Note: Commissioned to Siam.

Name: Hamilton King State of Residency: Michigan Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: April 27, 1903 Presentation of Credentials: July 3, 1903 Termination of Mission: Died at post September 2, 1912 Note: Commissioned during a recess of the Senate; recommissioned after confirmation on November 16, 1903. Commissioned to Siam.

Name: Fred W. Carpenter State of Residency: California Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: September 12, 1912 Presentation of Credentials: January 22, 1913 Termination of Mission: Left post November 16, 1913 Note: Commissioned during a recess of the Senate; recommissioned after confirmation on March 1, 1913. Commissioned to Siam.

Name: William H. Hornibrook State of Residency: Oregon Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: February 12, 1915 Presentation of Credentials: May 31, 1915 Termination of Mission: Presented recall, October 24, 1916 Note: Commissioned to Siam.

Name: George Pratt Ingersoll State of Residency: Connecticut Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: August 8, 1917 Presentation of Credentials: November 24, 1917 Termination of Mission: Left post June 23, 1918 Note: Commissioned to Siam.

Name: George W. P. Hunt State of Residency: Arizona Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: May 18, 1920 Presentation of Credentials: September 6, 1920 Termination of Mission: Left post October 1, 1921 Note: Commissioned to Siam.

Name: Edward E. Brodie State of Residency: Oregon Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: October 8, 1921 Presentation of Credentials: January 31, 1922 Termination of Mission: Left post May 2, 1925 Note: Commissioned to Siam.

Name: William E. Russell State of Residency: District of Columbia Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: September 28, 1925 Presentation of Credentials: [January 9, 1926] Termination of Mission: Left post January 7, 1927 Note: Commissioned during a recess of the Senate; recommissioned after confirmation on December 17, 1925. Commissioned to Siam. Officially received on January 9, 1926.

Name: Harold Orville MacKenzie State of Residency: New Jersey Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: March 3, 1927 Presentation of Credentials: June 28, 1927 Termination of Mission: Left post March 29, 1930 Note: Commissioned to Siam.

Name: David E. Kaufman State of Residency: Pennsylvania Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: June 12, 1930 Presentation of Credentials: December 9, 1930 Termination of Mission: Left post June 15, 1933 Note: Commissioned to Siam.

Name: James Marion Baker State of Residency: South Carolina Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: August 30, 1933 Presentation of Credentials: December 9, 1933 Termination of Mission: Left post May 2, 1936 Note: Commissioned during a recess of the Senate; recommissioned after confirmation on January 15, 1934. Commissioned to Siam.

Name: Edwin L. Neville State of Residency: Ohio Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: May 28, 1937 Presentation of Credentials: October 2, 1937 Termination of Mission: Left post May 1, 1940 Note: Commissioned to Siam.

Name: Hugh Gladney Grant State of Residency: Alabama Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: April 3, 1940 Presentation of Credentials: August 20, 1940 Termination of Mission: Left post August 30, 1941

Name: Willys R. Peck State of Residency: California Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: August 19, 1941 Presentation of Credentials: September 16, 1941 Termination of Mission: Japanese forces occupied Bangkok, December 8, 1941 Note: Thailand declared war on the United States January 25, 1942. Peck, having been interned, left post June 29, 1942.

Name: Charles W. Yost State of Residency: New York Title: Charg้ d'Affaires Appointment: [see note below] Presentation of Credentials: January 5, 1946 Termination of Mission: Superseded, July 4, 1946 Note: Not commissioned; letter of credence sent to Yost by telegram, October 16, 1945.

Name: Edwin F. Stanton State of Residency: California Title: Envoy Extraordinary and Minister Plenipotentiary Appointment: April 27, 1946 Presentation of Credentials: July 4, 1946 Termination of Mission: Promoted to Ambassador Extraordinary and Plenipotentiary Note: Commissioned to Siam.

Name: Edwin F. Stanton State of Residency: California Title: Ambassador Extraordinary and Plenipotentiary Appointment: April 10, 1947 Presentation of Credentials: May 9, 1947 Termination of Mission: Left post June 30, 1953 Note: Commissioned to Siam. The Legation in Bangkok had been raised to Embassy status March 18, 1947.

Name: William J. Donovan State of Residency: New York Title: Ambassador Extraordinary and Plenipotentiary Appointment: August 3, 1953 Presentation of Credentials: September 4, 1953 Termination of Mission: Left post August 21, 1954

Name: John E. Peurifoy State of Residency: South Carolina Title: Ambassador Extraordinary and Plenipotentiary Appointment: September 15, 1954 Presentation of Credentials: December 3, 1954 Termination of Mission: Died near Hua Hin, August 12, 1955 Note: Commissioned during a recess of the Senate; recommissioned after confirmation on December 3, 1954.

Name: Max Waldo Bishop State of Residency: Arkansas Title: Ambassador Extraordinary and Plenipotentiary Appointment: December 3, 1955 Presentation of Credentials: January 9, 1956 Termination of Mission: Left post January 6, 1958 Note: Commissioned during a recess of the Senate; recommissioned after confirmation on January 18, 1956.

Name: U. Alexis Johnson State of Residency: California Title: Ambassador Extraordinary and Plenipotentiary Appointment: January 30, 1958 Presentation of Credentials: February 14, 1958 Termination of Mission: Left post April 10, 1961

Name: Kenneth Todd Young State of Residency: New York Title: Ambassador Extraordinary and Plenipotentiary Appointment: March 29, 1961 Presentation of Credentials: June 22, 1961 Termination of Mission: Left post August 19, 1963

Name: Graham A. Martin State of Residency: Florida Title: Ambassador Extraordinary and Plenipotentiary Appointment: September 10, 1963 Presentation of Credentials: November 7, 1963 Termination of Mission: Left post September 9, 1967

Name: Leonard Unger State of Residency: Maryland Title: Ambassador Extraordinary and Plenipotentiary Appointment: August 11, 1967 Presentation of Credentials: October 4, 1967 Termination of Mission: Left post November 19, 1973

Name: William R. Kintner State of Residency: Pennsylvania Title: Ambassador Extraordinary and Plenipotentiary Appointment: September 28, 1973 Presentation of Credentials: November 29, 1973 Termination of Mission: Left post March 15, 1975

Name: Charles S. Whitehouse State of Residency: Virginia Title: Ambassador Extraordinary and Plenipotentiary Appointment: May 8, 1975 Presentation of Credentials: May 30, 1975 Termination of Mission: Left post June 19, 1978

Name: Morton I. Abramowitz State of Residency: Massachusetts Title: Ambassador Extraordinary and Plenipotentiary Appointment: June 27, 1978 Presentation of Credentials: August 9, 1978 Termination of Mission: Left post July 31, 1981

Name: John Gunther Dean State of Residency: New York Title: Ambassador Extraordinary and Plenipotentiary Appointment: October 1, 1981 Presentation of Credentials: October 26, 1981 Termination of Mission: Left post June 6, 1985

Name: William Andreas Brown State of Residency: New Hampshire Title: Ambassador Extraordinary and Plenipotentiary Appointment: June 6, 1985 Presentation of Credentials: July 5, 1985 Termination of Mission: Left post August 5, 1988

Name: Daniel Anthony O'Donohue State of Residency: Virginia Title: Ambassador Extraordinary and Plenipotentiary Appointment: Jul 11, 1988 Presentation of Credentials: August 13, 1988 Termination of Mission: Left post August 10, 1991

Name: David Floyd Lambertson State of Residency: Kansas Title: Ambassador Extraordinary and Plenipotentiary Appointment: July 22, 1991 Presentation of Credentials: September 24, 1991 Termination of Mission: Left post August 25, 1995

Name: William H. Itoh State of Residency: New Mexico Title: Ambassador Extraordinary and Plenipotentiary Appointment: Dec 19, 1995 Presentation of Credentials: February 20, 1996 Termination of Mission: Left post February 1, 1999

Name: Richard E. Hecklinger State of Residency: Virginia Title: Ambassador Extraordinary and Plenipotentiary Appointment: December 1, 1998 Presentation of Credentials: March 9, 1999 Termination of Mission: Left post December 21, 2001

Name: Darryl N. Johnson State of Residency: Washington Title: Ambassador Extraordinary and Plenipotentiary Appointment: November 26, 2001 Presentation of Credentials: March 29, 2002 Termination of Mission: Left post December 28, 2004

Name: Ralph L. Boyce State of Residency: Virginia Title: Ambassador Extraordinary and Plenipotentiary Appointment: July 2, 2004 Presentation of Credentials: March 9, 2005 Termination of Mission: Left post December 28, 2007

Name: Eric G. John State of Residency: Indiana Title: Ambassador Extraordinary and Plenipotentiary Appointment: May 21, 2007 Presentation of Credentials: January 8, 2008