William Chisholm, who agreed to buy the Celtics for a record $6.1 billion, called himself a “die-hard” fan of the franchise.

Since “Who is William Chisholm?” became the correct response to “Next Celtics Owner” last week, the biggest mystery surrounding the sale of the team has been solved.

William "Bill" Chisholm is set to become the next owner of the Boston Celtics in the largest sale for a North American sports franchise. Chisholm led a group that will buy the team in a $6.1 billion ...

The North Shore native is a massive Celtics fan: "I watch every game or I'm at the games, and I love it," he said. "I just ...

From roster plans to a potential new arena, here are the biggest questions facing the Celtics following their sale to William ...

Although William Chisholm has reached a tentative agreement to buy a controlling stake in the Celtics, the NBA’s Board of Governors vote to approve the sale isn’t expected to happen until June, ...

Speaking on NBC Sports Boston, Wyc Grousbeck and new Celtics owner William Chisholm discussed the Celtics' sale and much more.

The NBA-champion Boston Celtics will soon have new ownership after a successful bid to buy the team from a group led by William Chisholm, a private equity executive, for $6.1 billion, according to ...

The Celtics’ ownership group has agreed to sell the franchise to a consortium led by William Chisholm, managing director and co-founder of Symphony Technology Group, for $6.1 billion.