James Williams Riddleberger (1904–1982)

Career Foreign Service Officer
State of Residence: Virginia
  1. Director of the Bureau of German Affairs
    Appointed: May 14, 1952
    Termination of Appointment: July 31, 1952
  2. Ambassador Extraordinary and Plenipotentiary (Socialist Federal Republic of Yugoslavia)
    Appointed: July 31, 1953
    Presentation of Credentials: November 16, 1953
    Termination of Mission: Left post on January 11, 1958
    • Commissioned to Yugoslavia.
  3. Assistant Secretary of State for European and Eurasian Affairs
    Appointed: October 15, 1956
    • Commissioned during a recess of the Senate; declined appointment.
  4. Ambassador Extraordinary and Plenipotentiary (Greece)
    Appointed: December 10, 1957
    • Commissioned during a recess of the Senate; did not serve under this appointment.
  5. Ambassador Extraordinary and Plenipotentiary (Greece)
    Appointed: February 5, 1958
    Presentation of Credentials: March 4, 1958
    Termination of Mission: Left post on May 20, 1959
  6. Director of the International Cooperation Administration
    Appointed: March 9, 1959
    Entry on Duty: March 9, 1959
    Termination of Appointment: February 22, 1961
  7. Career Ambassador
    Appointed: June 24, 1960
  8. Ambassador Extraordinary and Plenipotentiary (Austria)
    Appointed: October 23, 1962
    Presentation of Credentials: December 12, 1962
    Termination of Mission: Left post on May 10, 1967