Boston.com · Mar 20, 2025
What we know about William Chisholm, the Celtics' new owner
William Chisholm. Symphony Technology Group More with the Celtics
The Celtics are reportedly being sold for $6.1 billion. Share your reactions with us.
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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.
Chisholm is a Dartmouth College graduate and a native of Georgetown. He co-founded the California-based STG in 2002.