| Michael D. O'Halleran Born: c. 1953
Gender: Male Race or Ethnicity: White Occupation: Business Nationality: United States Executive summary: President and COO of Aon, 1999-2004 University: BA Accounting and Finance, University of Wisconsin at Whitewater Administrator: Trustee, Dublin City University, Dublin, Ireland
Aon Senior EVP (2004-)
Aon President and COO (1999-2004)
Aon Chairman and CEO of Aen Global Re and Wholesale
Aon (1987-)
Wausau Insurance Companies
General Reinsurance
Alexander Re
Member of the Board of Aon (1999-2005)
Member of the Board of Cardinal Health (1999-)
Notebaert Nature Museum Trustee Bill Bradley for President Bush-Cheney '04 Economic Club of Chicago Executives' Club of Chicago George W. Bush for President World Business Chicago Co-Chairman World Presidents Organization
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