Charles Woodruff Yost (1907–1981)

Career Foreign Service Officer
State of Residence: New York

1. Chargé d’Affaires (Thailand)
   Presentation of Credentials: January 5, 1946
   Termination of Mission: Superseded July 4, 1946
   • Not commissioned; letter of credence sent to Yost by telegram on October 16, 1945.
2. Envoy Extraordinary and Minister Plenipotentiary (Laos)
   Appointed: August 18, 1954
   Presentation of Credentials: November 1, 1954
   Termination of Mission: Promoted to Ambassador Extraordinary and Plenipotentiary August 19, 1955
3. Ambassador Extraordinary and Plenipotentiary (Laos)
   Appointed: July 27, 1955
   Presentation of Credentials: August 19, 1955
   Termination of Mission: Left post on April 27, 1956
4. Ambassador Extraordinary and Plenipotentiary (Syria)
   Appointed: December 24, 1957
   Presentation of Credentials: January 16, 1958
   Termination of Mission: Syria incorporated into the United Arab Republic February 22, 1958
   • Commissioned during a recess of the Senate; recommissioned on January 29, 1958, after confirmation. Commissioned to the Republic of Syria.
5. Ambassador Extraordinary and Plenipotentiary (Morocco)
   Appointed: July 16, 1958
   Presentation of Credentials: August 6, 1958
   Termination of Mission: Left Morocco March 5, 1961
6. Career Ambassador
   Appointed: August 6, 1964
   
   • Was Deputy U.S. Representative to the United Nations at the time.
7. Representative of the U.S.A. to the United Nations
   Appointed: January 22, 1969
   Presentation of Credentials: January 23, 1969
   Termination of Mission: February 25, 1971