David Ferguson was an American international outsider-culture impresario, activist, music producer and concert promoter. Over his career, most of which has been spent on the West Coast, he worked with musical acts such as the Avengers, John Lydon (a.k.a. Johnny Rotten), Billy Bragg, Iggy Pop, Bad Brains, Black Flag, and Butthole Surfers and visual artists Vaughn Bode, Jean-Michel Basquiat, and Barry McGee. Ferguson worked with multi-discipline artists such as avant-garde musician and spoken-word artist Lydia Lunch and the psychedelic drag queen performance group the Cockettes.