This vote had long been viewed as a formality, but it is the last big step before ownership officially changes hands this season. The NBA said in a release that the transaction “is expected to close shortly.

The Celtics will have a new lead governor in William Chisholm when the first part of the team’s sale to Chisholm’s group becomes official later this month. Current governor Wyc Grousbeck will remain as team CEO and become alternate governor once the sale is complete, according to a league source.

Per senior ESPN reporter Ramona Shelburne in a recent social media post, "while Bill Chisholm will technically be the Celtics Governor, he and ... Grousbeck plan to run the team together as originally planned." This will have Chisholm as the team's official governor and Grousbeck serving as an alternate governor, according to Shelburne.