David Martinez is a writer, filmmaker, teacher, and political activist based in San Francisco. His work is about everything from animated bird corpses to Sudanese revolutionaries, but usually involves radical politics and social movements. His movies have screened everywhere from small community centers and churches to European Film Festivals. His writing has been published in The San Francisco Bay Guardian, Filmmaker Magazine, McSweeney's, CounterPunch, CorpWatch, and Islam Online. He has worked in documentary production with Hector Galan and Billy Nessen, and feature film production with directors Richard Linklater, John Sayles, and Jimmy Mendiola, and worked as an actor in Waking Life, directed by Linklater. He has also been employed as a school teacher, social worker, bike messenger, and taxi driver.