New owner William Chisholm's investor group will lead the team and former owner Wyc Grousbeck will serve as team CEO.

An investor group led by William Chisholm closed on its acquisition of a majority control position in the Boston Celtics. Chisholm will serve as governor of the franchise, while Wyc Grousbeck and Aditya Mittal will be alternate governors.

The sale of the Boston Celtics has been finalized. An investor group led by private equity mogul William Chisholm took control of the NBA’s most-decorated franchise from a group led by Wyc Grousbeck that had owned the team since 2002.