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.