After graduating from Norwood High School in Norwood, Massachusetts in 1994, Quinn attended the University of Connecticut, earning a Bachelor's Degree in political science in 1998, and earning his Master's Degree in sports management in 2000.
Quinn joined the New England Patriots in 2000 as a player personnel assistant, spending two seasons in that position.
On February 5, 2018, Quinn named Matt Patricia the head coach, who led the Lions to a 6–10 record his first year.
On November 28, 2020, Quinn along with head coach Matt Patricia, were fired by the Lions.
On July 30, 2021, Quinn was hired by the Cleveland Browns to be the senior personnel and coaching executive in their football operations department under general manager Andrew Berry.