Gregory Regis Ginn (born June 8, 1954) is an American guitarist, songwriter, and singer, best known for being the leader of and primary songwriter for the hardcore punk band Black Flag, which he founded and led from 1976 to 1986, and again in 2003. The band announced another reunion on January 25, 2013. Since the breakup of Black Flag, Ginn has recorded solo albums, and performed with such bands as October Faction, Gone, Confront James, Mojack, and others. Ginn was 99th on Rolling Stone's list of "The 100 Greatest Guitarists of All Time".