All Nigeria People's Party (1998–2013) Ali Modu Sheriff (born 1956) is a Nigerian politician who served as governor of Borno State from 2003 to 2011.

His father was the business tycoon Modu Sheriff, who was also the Galadima of the Borno Emirate.

[1] Ali Modu Sheriff was elected Senator representing Borno Central on the platform of the National Republican Convention during the Third Republic; he was again elected on the platform of the United Nigeria Congress Party (UNCP) during General Sani Abacha's military regime.

[11] The Court of Appeal sitting in Port Harcourt, Rivers State, on Friday 17 February 2017 declared former Borno State Governor, Ali Modu Sheriff as the authentic National Chairman of the People's Democratic Party (PDP).

[12][13][14] Sheriff has been accused of being a sponsor to the Islamic sect Boko Haram by an Australian hostage negotiator, Stephen Davies.