Tim Gelzinis serves as Assistant Coach for University of Massachusetts Amherst's Baseball program in Amherst, Massachusetts.
Tim Gelzinis joined the University of Massachusetts baseball staff as a volunteer assistant coach in August of 2024. Gelzinis comes to Amherst after two seasons as an assistant coach at Rogers Williams. During his first season with UMass, Gelzinis saw Jack Beverly named to the 2025 Atlantic 10 All-Academic Team.
