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 Minister of Petroleum Resources
Diezani K. Agama was born in Port Harcourt, Rivers State, Nigeria. Her father was Chief Frederick Abiye Agama. She studied Architecture in England and then at Howard University in the United States.She graduated from Howard with a bachelor's degree on 8 December 1992.She returned to Nigeria and joined Shell Petroleum Development Corporation that year. In 2002, she attended Cambridge Judge Business School for her MBA degree. After returning to Nigeria, Diezani Alison-Madueke was appointed as an Executive Director in Shell in 2006. She was the first woman ever to be appointed by Shell as an Executive Director in Nigeria
Since 1999 she has been married to Admiral Allison Madueke (retired), one-time Chief of Naval Staff who was at various times governor of Imo and Anambra State. She has two sons, Chimezie Madueke and Ugonna Madueke.In September 2011 Alison-Madueke was awarded an honorary Doctorate degree in Management Sciences by the Nigerian Defence Academy, Kaduna.
In September 2008 there was an unsuccessful attempt to kidnap Alison-Madueke at her house in Abuja with her son Chimezie Madueke.
Alison-Madueke revealed that while in office, she had been undergoing treatments for breast cancer in the United Kingdom