Javier Pérez de Cuéllar 1 January 1982 – 31 December 1991Boutros Boutros-Ghali 1 January 1992 – 31 December 1996Kofi Annan 1 January 1997 – 31 December 2006 Ban Ki-moon 1 January 2007– presentWhipsnade (talk) 00:22, June 14, 2013 (UTC)
