Diezani K. Alison-Madueke (born 6 December 1960) is a Nigerian politician and the first female President of OPEC. She was elected at the 166th OPEC Ordinary meeting in Vienna on 27 November 2014. She became Nigeria's minister of transportation on 26 July 2007. She was moved to Mines and Steel Development in 2008, and in April 2010 was appointed as the first woman Minister of Petroleum Resources in Nigeria.