William O. Hall (1914–1977)

Career Foreign Service Officer
State of Residence: Oregon

1. Ambassador Extraordinary and Plenipotentiary (Ethiopia)
   Appointed: September 13, 1967
   Presentation of Credentials: October 27, 1967
   Termination of Mission: Left post on May 15, 1971
2. Director General of the Foreign Service
   Appointed: July 5, 1971
   Termination of Appointment: September 30, 1973