Stephen Douglas Kerr is an American professional basketball coach and former player who is the head coach of the Golden State Warriors of the National Basketball Association (NBA). He is a nine-time NBA champion, having won five titles as a player as well as four with the Warriors as a head coach. Kerr is the only NBA player to win four straight NBA titles after 1969. Kerr has the highest career three-point field goal percentage (45.4%) in NBA history for any player with at least 250 three-pointers made. He also held the NBA record for the highest three-point percentage in a season at 52.4% until the record was broken by Kyle Korver in 2010.