The 2021–22 Boston Celtics season was the 76th season of the franchise in the National Basketball Association (NBA). Following the Celtics' first-round exit to the Brooklyn Nets in five games from last season, Danny Ainge left his role as the General Manager. Brad Stevens got promoted as the next President of Basketball Operations soon after. The Celtics hired Ime Udoka as the next head coach on June 28, 2021.