• Ban Ki-Moon (South Korea) Term of Office: 2007-2016
• Kofi A. Annan (Ghana) Term of Office: 1997-2006
• Boutros Boutros-Ghali (Egypt) Term of Office: 1992-1996
• Javier Pérez de Cuéllar (Peru) Term of Office: 1982-1991
• Kurt Waldheim (Austria) Term of Office: 1972-1981
• U Thant (Myanmar) Term of Office: 1961-1971
• Dag Hammarskjöld (Sweden) Term of Office: 1953-1961
• Trygve Lie (Norway) Term of Office: 1946-1952