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.

"We are committed to building on the legacy of the Celtics and raising banners," the new owner and governor of the team said.

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