State of Residency: Kansas
Foreign Service officer
Title: Envoy Extraordinary and Minister Plenipotentiary
Appointment: Jun 29, 1950
Presentation of Credentials: Jul 11, 1950
Termination of Mission: Promoted to Ambassador Extraordinary and Plenipotentiary
Note: Also accredited to Laos and Vietnam; resident at Saigon. During Heath's tenure as non-resident Minister, Legation Phnom Penh was opened to the public, Nov 14, 1950, with Don V. Catlett as Charg? d'Affaires ad interim.
Name: Donald R. Heath
State of Residency: Kansas
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Jun 25, 1952
Presentation of Credentials: 12 Jul 1952
Termination of Mission: Superseded, Oct 2, 1954
Note: Also accredited to Laos and Vietnam; resident at Saigon. During Heath's tenure as non-resident Minister, Legation Phnom Penh was opened to the public, Nov 14, 1950, with Don V. Catlett as Charg? d'Affaires ad interim.
Note: Thomas J. Corcoran was serving as Charg? d'Affaires ad interim when Legation Phnom Penh was raised to Embassy status, Jun 25, 1952.
Name: Robert McClintock
State of Residency: California
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Aug 18, 1954
Presentation of Credentials: Oct 2, 1954
Termination of Mission: Left post, Oct 15, 1956
Name: Carl W. Strom
State of Residency: Iowa
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Oct 11, 1956
Presentation of Credentials: Dec 7, 1956
Termination of Mission: Left post, Mar 8, 1959
Note: Commissioned during a recess of the Senate; recommissioned following confirmation on Jan 29, 1957.
Name: William C. Trimble
State of Residency: Maryland
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Feb 16, 1959
Presentation of Credentials: Apr 23, 1959
Termination of Mission: Left post, Jun 8, 1962
Name: Philip D. Sprouse
State of Residency: Tennessee
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Jun 28, 1962
Presentation of Credentials: Aug 20, 1962
Termination of Mission: Left post, Mar 3, 1964
Name: Randolph A. Kidder
State of Residency: District of Columbia
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Jul 9, 1964
Note: Took oath of office and proceeded to post, but did not present credentials; left post, Sep 18, 1964.
Note: Alf E. Bergesen was serving as Charg? d'Affaires ad interim when Cambodia severed diplomatic relations with the U.S., May 3, 1965. Embassy Phnom Penh was reestablished Aug 16, 1969, with Lloyd M. Rives as Charg? d'Affaires ad interim.
Name: Emory C. Swank
State of Residency: District of Columbia
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Sep 3, 1970
Presentation of Credentials: Sep 15, 1970
Termination of Mission: Left post, Sep 5, 1973
Note: Continued to serve, without accreditation, after the proclamation of the Khmer Republic.
Name: John Gunther Dean
State of Residency: New York
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Mar 14, 1974
Presentation of Credentials: Apr 3, 1974
Termination of Mission: Left post Apr 12, 1975
Note: Commissioned to the Khmer Republic.
Note: Embassy Phnom Penh was closed on Apr 12, 1975, following the evacuation of all U.S. personnel.
Note: The U.S. Mission to Cambodia was established Nov 11, 1991, with Charles H. Twining as U.S. Representative.
Name: Charles H. Twining
State of Residency: Maryland
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: May 13, 1994
Presentation of Credentials: May 17, 1994
Termination of Mission: Left post, Nov 20, 1995
Name: Kenneth M. Quinn
State of Residency: Iowa
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Dec 12, 1995
Presentation of Credentials: Mar 28, 1996
Termination of Mission: Left post Jul 25, 1999
Name: Kent M. Wiedemann
State of Residency: California
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Jun 7, 1999
Presentation of Credentials: Aug 31, 1999
Termination of Mission: Left post May 16, 2002
Name: Charles Aaron Ray
State of Residency: Texas
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Nov 15, 2002
Presentation of Credentials: Jan 4, 2003
Termination of Mission: Left post, Jul 11, 2005
Name: Joseph A. Mussomeli
State of Residency: Virginia
Foreign Service officer
Title: Ambassador Extraordinary and Plenipotentiary
Appointment: Jun 27, 2005
Presentation of Credentials: Sep 22, 2005
Termination of Mission:
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