Stephen O'Reilly grew up in New York City where he attended the Collegiate School. He is a graduate of Brown University.Mr. O'Reilly can also be heard performing and singing in his band Tammany Hall NYC.He has composed music for HBO, NIKE, Paramount Pictures, NBC's coverage of the Olympic Games, ESPN, MTV, Good Morning America, Discovery, TLC, A&E, Court TV, Planet Green, Maybelline, Mini Cooper, among many other clients.