Greg Hetson (born June 29, 1961) is an American guitarist. He was born in Brooklyn, New York, but moved to Los Angeles, California when was 2 years old and still lives there today. Hetson is best known as the guitarist for the influential hardcore punk bands Redd Kross, Circle Jerks and Bad Religion. He was a founding member of Black President and also plays guitar in another supergroup, Punk Rock Karaoke.