John Gregory Berylson^[1] (2 June 1953 – 4 July 2023) was an American businessman and founder of Chestnut Hill Ventures LLC. He was also the chairman of London football team Millwall from 2007 until his death in 2023.^[2][3]

This biographical article is written like a résumé. (July 2023)

Quick Facts Born, Died ...

John Berylson
Berylson at The Den in 2010
Born	John Gregory Berylson (1953-06-02)2 June 1953 New York City, U.S.
Died	4 July 2023(2023-07-04) (aged 70) Falmouth, Massachusetts, U.S.

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Berylson attended Harvard Business School earning an M.B.A.,^{[citation needed]} Brown University earning an A.B. degree,^{[citation needed]} and New York University, where he earned an M.S.^{[citation needed]}

Berylson was the director of Youngworld Stores Group, Inc and Non Executive Chairman, Member of Audit Committee and Member of Remuneration Committee of Millwall Holdings PLC. Berylson pumped an estimated £100m into the club.^{[citation needed]}

Berylson was also the director of Manifold Capital Corp. Berylson had been reported as being a Republican, having donated to John McCain in the 2008 Presidential Election,^[4] however, Berylson denied this and said that he was a registered Democrat.^[5]

Berylson was a member of the Jewish faith and had 3 children. ^[6]

Berylson was once a US Marine, and a fan of the Boston Red Sox. He held numerous Trustee positions; at the Beth Israel Deaconess Medical Center, The Newton-Wellesley Hospital, Brown University Sports Foundation, and he held the position of Director at the Brown University Library System.^{[citation needed]}

Berylson was a philanthropist. He and his wife Amy moved their philanthropy through the Amy Smith and John G. Berylson Foundation.^[7] They primarily supported education, as well as philanthropy in Boston through the Richard and Susan Smith Family Foundation.^[8]