General Mohamed Mediène (Arabic: ??????? ???? ?????), also known as Toufik (?????), was head of the Algerian secret services, the Intelligence and Security Department (Département du renseignement et de la sécurité, DRS), from 1990 to 2015.
He was described as the world's longest serving "intelligence chief".He was born in 1939 to a Kabyle family from Guenzet (Sétif Province), but grew up near Algiers at Saint-Eugene (Bologhine).
He joined the National Liberation Army in 1961, a few months before Algeria's independence.
He was an officer for the NLA.Little is known of him, but he was regarded as a leading power behind the scenes and a leading general in the "eradicator" military faction.
Only two known public photos of him exist; they are both unclear.