Lorenzo O'Brien (born 1955) is a Peruvian-American writer-producer of Irish descent. O'Brien was born in Lima and attended graduate school at UCLA. He has produced many television films and several features including Walker and El Patrullero, which he also wrote. O'Brien wrote and produced for the PBS series American Family. References External links 1955 births Living people People from Lima Peruvian emigrants to the United States Peruvian people of Irish descent University of California, Los Angeles alumni