- Vall was born in 1953 in Nouakchott
- Former President of the Islamic Republic of Mauritania
- A political and military figure in Mauritania. He served as the transitional
- military leader of Mauritania following a coup d'état in August 2005 until 19 April 2007
- He worked as the director of the national police force, the Sûreté Nationale, since 1987.
- He was the head of the Military Council for Justice and Democracy.
- Vall is a Board member of the Arab Democracy Foundation.
- He is also is a member of the Foundation Chirac's honour committee.