“This truly is a dream come true for me and my family,” Chisholm, who was raised in Georgetown, Mass., and attended Dartmouth College, said in a statement.

The sale of the Boston Celtics was finalized on Tuesday, with private equity mogul Bill Chisholm taking over control of the NBA’s most-decorated franchise from a group led by Wyc Grousbeck that had o...

“Coming in second is not the objective, and it’s not acceptable,” private equity mogul Bill Chisholm said Tuesday after taking control of the team from Wyc Grousbeck.