Glenn Anton "Doc" Rivers is an American professional basketball coach and former player who is the head coach for the Philadelphia 76ers of the National Basketball Association (NBA). He played as a point guard in the NBA and was known for his defense, a trait that has carried over into his coaching. Rivers was an NBA All-Star in 1988. Rivers was named the 2000 NBA Coach of the Year in his first season as a head coach with the Orlando Magic. He won an NBA championship as head coach of the Boston Celtics in 2008.