Mark Stewart (born South Shields, Tyne & Wear) is a British musician and founding member of The Pop Group. He makes polemical noise-funk with a hip-hop reggae dub feel and has recorded for On-U Sound Records and Mute Records. Stewart started out in Bristol in 1978 in music with The Pop Group a band whose titles (such as "For How Much Longer Do We Tolerate Mass Murder?") demonstrate political conviction, disrespect for copyright, and willingness to collaborate that laid the foundations for his later work.