Wyc Grousbeck, who has been a majority owner of the Boston Celtics since 2002, is no longer planning to stay on as the team's governor, stepping away from the role earlier than expected as new ownership takes over.

Bill Chisholm has officially completed his $6.1 billion purchase of the Celtics from Wyc Grousbeck and is the team's new owner.

There were concerns that he might not return after his contract was up, and his status in terms of health was unclear after a knee injury.

The Celtics have made it official with the leadership structure between new governor Bill Chisholm and longtime owner Wyc Grousbeck.