Billy Cosh serves as Head Coach for Stony Brook University's Football program in Stony Brook, New York.
Billy Cosh was named the third head coach in Stony Brook football’s Division I era on December 13, 2023. Cosh joined Stony Brook for his first career head coaching job after spending the 2023 season at Western Michigan as the Broncos’ offensive coordinator and quarterbacks coach. In his first season at the helm in 2024, Billy Cosh was named the AFCA FCS Coach of the Year, AFCA Regional Coach of the Year, CAA Coach of the Year, and Walter Camp FCS Coach of the Year.
