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 16 seasons as head coach, he's led the Jayhawks to at least a share of an NCAA record 14 straight Big 12 regular season championships (2005–2018), 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 September 2017. Self, as of the end of the 2018–19 season, has the 23rd most wins among Division I coaches in NCAA history and 8th among active head coaches.
As coach at Kansas, Self has a record of 202–11 (.957 win percentage) at historic Allen Fieldhouse. In his tenure at Kansas, Self has had 3 home winning streaks of more than 30 wins including a school-record and 11th-best all-time 69 game streak. During his tenure at Kansas, he has recruited several McDonald's All-Americans to Kansas, including Mario Chalmers, Darrell Arthur, Xavier Henry, Andrew Wiggins, Cliff Alexander, Wayne Selden Jr., Cheick Diallo, and Josh Jackson. Under Self, Kansas rarely loses consecutive games, only thirteen times since taking over. Self is 96–13 following a loss at Kansas and has only had two three game losing streaks and has never lost more than three games in a row. Self’s teams at Kansas are also consistently ranked. As of March 7, 2020, Kansas has only played 38 of his 610 games as head coach unranked.