Michael Hayden Armacost (1937–)

Career Foreign Service Officer
State of Residence: Maryland

1. Ambassador Extraordinary and Plenipotentiary (Philippines)
   Appointed: February 11, 1982
   Presentation of Credentials: March 12, 1982
   Termination of Mission: Left post on April 18, 1984
2. Under Secretary of State for Political Affairs
   Appointed: May 17, 1984
   Entry on Duty: May 18, 1984
   Termination of Appointment: March 2, 1989
3. Secretary of State ad interim
   Appointed: January 20, 1989
   Termination of Appointment: January 25, 1989
   • Under Secretary of State for Political Affairs; Acting Secretary of State
4. Ambassador Extraordinary and Plenipotentiary (Japan)
   Appointed: April 20, 1989
   Presentation of Credentials: May 15, 1989
   Termination of Mission: Left post on July 19, 1993