Log In

Dennis S. Callahan Edit Profile

Insurance company executive

Dennis S. Callahan, American insurance company executive. Named one of Premier 100 Information Technology Executives, Computerworld magazine, 2003.

Education

Bachelor in Mathematics, New York University.

Career

Vice president, global operations & technical Goldman, Sachs & Company, New York City, 1971—1991. Chief information officer Wellington Management Company, Boston, 1991—1995. Senior vice president Fidelity's Asset Services Group, 1995—1997.

Chief information officer American International Group, New York City, 1997—2000. Senior vice president, chief information officer Guardian Life Insurance Company American, 2000—2003, executive vice president, chief information officer, since 2003.