There are multiple corruption allegation against Diezani Alison-Madueke, who was the first female President of OPEC. 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 female Minister of Petroleum Resources in Nigeria. She was also elected first female OPEC president on the 27th of November 2014.

Key Allegations:

• Accused of misappropriating billions of dollars during her time as oil minister.

• Charged with awarding multi-million dollar oil and gas contracts in exchange for financial rewards.

• Implicated in the Pandora Papers leak, accused of accepting $17 million in gifts and property from Nigerian oil businessmen.

• Suspected of involvement in the disappearance of $20 billion from the Nigerian National Petroleum Corporation.

Multiple corruption allegation against Diezani Alison-Madueke

Diezani Alison-Madueke, Former Minister of Petroleum Resources, 2010 - 2015.