April 18, 1966: Hired as Head Coach by the Boston Celtics
June 30, 1969: Retired as Player/Head Coach of the Boston Celtics.
May 11, 1973: Hired as Head Coach by the Seattle SuperSonics
May 4, 1977: Resigns as Head Coach of Seattle SuperSonics.
April 27, 1987: Hired as Head Coach by the Sacramento Kings
March 7, 1988: Reassigned from Head Coach role by Sacramento Kings