Derian John Hatcher (born June 4, 1972) is an American former professional ice hockey defenseman who played 16 seasons in the National Hockey League (NHL) with the Minnesota North Stars, Dallas Stars, Detroit Red Wings and Philadelphia Flyers. He currently serves as the head coach of the Sarnia Sting of the Ontario Hockey League.He is the younger brother of former NHL player Kevin Hatcher, with whom he was inducted into the United States Hockey Hall of Fame on October 21, 2010.