UNO NEW YORK

Trygve Lie (1946 - 1952)

Dag Hammarskjold (1953 - 1961)

U Thant (1961 - 1971)

Kurt Waldheim (1972 - 1981)

Javier Perez de Cueilar (1982 - 1991)

Kofi Annan (1997 - 2006)