John Joseph Muccio (1900–1989)

Career Foreign Service Officer
State of Residence: Rhode Island

1. Ambassador Extraordinary and Plenipotentiary (Korea)
   Appointed: April 7, 1949
   Presentation of Credentials: April 20, 1949
   Termination of Mission: Left Korea September 8, 1952
2. Envoy Extraordinary and Minister Plenipotentiary (Iceland)
   Appointed: August 23, 1954
   Presentation of Credentials: October 12, 1954
   Termination of Mission: Promoted to Ambassador Extraordinary and Plenipotentiary November 3, 1955
3. Ambassador Extraordinary and Plenipotentiary (Iceland)
   Appointed: October 19, 1955
   Presentation of Credentials: November 3, 1955
   Termination of Mission: Left post on December 16, 1959
   • Commissioned during a recess of the Senate; recommissioned on January 25, 1956, after confirmation.
4. Ambassador Extraordinary and Plenipotentiary (Guatemala)
   Appointed: December 24, 1959
   Presentation of Credentials: February 1, 1960
   Termination of Mission: Left post on November 10, 1961
   • Commissioned during a recess of the Senate; recommissioned on January 21, 1960, after confirmation.