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Ngozi Okonjo-Iweala was a minister in Nigeria under both Olusegun Obasanjo and Goodluck Jonathan. She served as Finance Minister under Obasanjo from 2003 to 2006, and then as Foreign Minister from 2006 to 2007. She returned to the Finance Ministry under Jonathan from 2011 to 2015. During her time in office, she oversaw significant economic reforms and helped to stabilize the Nigerian economy.