Gambari has held several positions in the United Nations. In 1999, he was the President of UNICEF and later became UN Under Secretary-General and the first Special Adviser on Africa to the UN Secretary General Kofi Annan from 1999 to 2005. He was the Under-Secretary-General of the United Nations for Political Affairs from 2005 to 2007 under Secretary-General's Kofi Annan and Ban Ki-Moon. His last appointment in the UN was from January 2010 to July 2012, when he was appointed by Ban Ki-moon and the Chairperson of the African Union Commission as the Joint African Union-United Nations Special Representative for Darfur.
