Background
Brennan, Jack was born on July 29, 1954 in Boston, Massachusetts, United States. Son of Francis Patrick and Mary Josephine (Gilhooley) Brennan.
Brennan, Jack was born on July 29, 1954 in Boston, Massachusetts, United States. Son of Francis Patrick and Mary Josephine (Gilhooley) Brennan.
AB, Dartmouth University, 1976. Master of Business Administration, Harvard University, 1980.
Planner New York Bank for Savings, 1976-1978. Finance manager South Carolina Johnson & Son, Inc., Racine, Wisconsin, 1980-1982. Assistant to the chairman The Vanguard Group, Inc., Valley Forge, Pennsylvania, 1982-1985, senior vice president, Chief Financial Officer, 1985-1986, executive vice president, 1986-1989, president, 1989—1996, Chief Executive Officer, 1996—2008, chairman, since 1998.
Board directors ICI Mutual Insurance Company.
Member Finance Executive Institute, Mutual Fund Education Alliance (governor since 1985, executive vice president since 1986).
Married Catharine Barbara Joyce, May 17, 1980. Children: William Thomas, Kara Boggs, Conor Hewette Bruen.