Billy Corben is a documentary producer and director, best known for his films "Cocaine Cowboys" and "Cocaine Cowboys 2" and also "Broke and The U" for ESPN's 30 for 30 series.Billy Corben is a documentary producer and director, best known for his films "Cocaine Cowboys" and "Cocaine Cowboys 2" and also "Broke and The U" for ESPN's 30 for 30 series.Billy Corben is a documentary producer and director, best known for his films "Cocaine Cowboys" and "Cocaine Cowboys 2" and also "Broke and The U" for ESPN's 30 for 30 series.