Billy Eugene Self Jr. (born December 27, 1962) is an American basketball coach. He is the head men's basketball coach at the University of Kansas, a position he has held since 2003. During his 17 seasons as head coach, he has led the Jayhawks to 15 Big 12 regular season championships, including a share of an NCAA record 14 consecutive Big 12 regular season championships (2005–2018). He has also led the Jayhawks to three NCAA Final Four appearances (2008, 2012, 2018), and the 2008 NCAA championship. Self was inducted into the Naismith Memorial Basketball Hall of Fame in 2017. Self, as of the end of the 2020–21 season, has the 19th most wins among Division I coaches in NCAA history and 6th among active head coaches.