Brett Gurewitz (born May 12, 1962, Los Angeles, California) , nicknamed Mr. Brett, is the guitarist and a songwriter of Bad Religion. He is also the owner of the music label Epitaph Records. Brett grew up in the town of Woodland Hills, California, a suburb of L.A.'s San Fernando Valley.
He has produced albums for Bad Religion as well as Epitaph Records labelmates NOFX, Rancid, and Pennywise, among others. Gurewitz left Bad Religion after the 1983 release of the unpopular Into the Unknown album, but returned in 1986. He left again after the 1994 release of their highly acclaimed album Stranger Than Fiction and was replaced by Brian Baker. Gurewitz started a new band, Daredevils, but rejoined Bad Religion in 2001 before they recorded their 2002 comeback album The Process of Belief.
During 2003, Gurewitz started a new band called Error together with Atticus Ross, Leopold Ross, and Greg Puciato, but has remained with Bad Religion for two more albums The Empire Strikes First (2004) and New Maps of Hell (2007).
In the past, Brett has engineered several albums using the pseudonym "The Legendary Starbolt" .
