Richard Preston Carlisle is an American basketball coach and former player who is the head coach for the Indiana Pacers of the National Basketball Association. He has previously served as head coach of the Detroit Pistons and Dallas Mavericks. As a player, Carlisle played for the Boston Celtics, New York Knicks, and New Jersey Nets. He is one of only 11 people to win an NBA championship as both a player and a coach.