About John Brennan

John J. Brennan, also known as Jack Brennan, served as Chairman of The Vanguard Group from 1996 to 2009, and was Vanguard CEO from 1996 to 2008, when he was succeeded by William McNabb.

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Occupation: businessperson
Citizenship: United States
Born: 1954

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Facts from Wikidata (CC0).

John Brennan

American businessperson and board member, Chairman Emeritus and Senior Advisor of The Vanguard Group, Inc., director at American Express

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