businessperson
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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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.
Everything about John Brennan →- Occupation
- businessperson
- Citizenship
- United States
- Born
- 1954