William Chisholm’s investor group takes charge of the Boston Celtics franchise after unanimous decision by the NBA Board of Governors. Chisholm, who h

William Chisholm is the Celtics' new governor, with Aditya Mittal and Wyc Grousbeck named alternate governors.

The $6.1 billion sale of the Boston Celtics to William Chisholm and partners is expected to close within the next two weeks, Sportico reported Thursday.

Boston Celtics co-owner Wyc Grousbeck, left, stands with William Chisholm during the first half of a game against the Phoenix Suns on April 4 in Boston.

The NBA expects the deal giving William Chisholm's group managing control of the franchise to be finalized soon.

The sale of the Boston Celtics to William Chisholm will likely close late next week or early the following week, according to three people familiar with the details who were not authorized to speak publicly. The deal still needs approval from the league ...