Olusegun Obasanjo is a former Nigerian Army general and President of Nigeria on two occasions, most recently from 1999-2007. During this tenure, he also served as Chairperson of the African Union from 2004-2006. Obasanjo has spoken out against human rights abuses both in Nigeria and elsewhere in Africa, and was the first democratically-elected leader of the country after a period of military rule, subsequently overseeing a period of significant oil-related growth. Since leaving domestic politics, Obasanjo has served as the UN Special Envoy to the Democratic Republic of the Congo, as well as a member of the Africa Progress Panel, a group of which advocates at the highest levels for equitable and sustainable development in Africa. He is also a member of the Club de Madrid.