Albert Thomas (1919-1932)
Harold Butler (1932-1938)
John G. Winant (1939-1941)
Edward Phelan (1941-1948)
David A. Morse (1948-1970)
Clarence Wilfred Jenks (1970-1973)
Francis Blanchard (1974-1989)
Michel Hansenne (1989-1999)
Juan Somavia (1999-2012)
Guy Ryder (2012-2022)
