Philip Douglas Jackson is an American former professional basketball player, coach, and executive in the National Basketball Association (NBA). Jackson is a 13-time NBA champion, having won two as a player and 11 as a head coach. His 11 championships as a head coach is the most in NBA history. In 2007, Jackson was inducted into the Basketball Hall of Fame, and was named one of the 10 greatest coaches in league history in 1996. He holds numerous other records as a coach, including the most postseason wins (229), and most conference titles (13).
Jackson played college basketball for the North Dakota Fighting Hawks (known then as the Fighting Sioux) for three years, and was selected in the 1967 NBA draft by the New York Knicks, with whom he won two NBA titles as a player. After playing thirteen seasons in the league, he began coaching in minor basketball leagues for five years before he was hired as the assistant coach for the Chicago Bulls in 1987. Jackson was later promoted to head coach of the Bulls in 1989, and he helped the team win six championships (1991–1993, 1996–1998).