Muhammadu Buhari

=== Civilian life ===
In December 1988, after his mother's death he was released and retired to his residence in [[Daura]]. While in detention, his farm was managed by his relatives. He divorced his first wife in 1988 and married Aisha Halilu.<ref name="Paden" /> In Katsina, he became the pioneer chairman of Katsina Foundation that was founded to encourage social and economic development in [[Katsina State]].{{citation needed|date=November 2022}}

Buhari served as the Chairman of the Petroleum Trust Fund (PTF), a body created by the government of General [[Sani Abacha]], and funded from the revenue generated by the increase in price of petroleum products, to pursue developmental projects around the country. A 1998 report in ''[[New African]]'' praised the PTF under Buhari for its transparency, calling it a rare "success story".<ref name="PTF">{{cite web |title=Development: PTF – shining in the gloom |url=http://www.africasia.com/archive/na/98_06/abcr0604.htm |date=June 1998 |access-date=4 November 2011 |archive-url=https://web.archive.org/web/20120120225841/http://www.africasia.com/archive/na/98_06/abcr0604.htm |archive-date=20 January 2012 |url-status=dead }}</ref>