William Stephen "Bill" Belichick (; born April 16, 1952) is an American professional football coach who serves as the head coach of the New England Patriots of the National Football League (NFL). He exercises extensive authority over the Patriots' football operations, effectively making him the team's general manager as well. He holds numerous coaching records, including winning a record six Super Bowls as the head coach of the Patriots, and two more as defensive coordinator for the New York Giants. He is widely considered to be one of the greatest coaches in NFL history.