Michael D. O'Halleran

Board Member

Michael D. O'Halleran is executive chairman of Aon Benfield, senior executive vice president of Corporation, and was the founder of Aon Re Global in 1987. Previously, he was a senior executive with Wausau Insurance Companies, General Reinsurance and Alexander Re. He serves on the boards of World Business Chicago, Providence-St. Mel High School, the Angus Robinson Jr. Memorial Foundation and is a trustee of Dublin City University in Ireland. Mr. O'Halleran has a degree in accounting and finance from the University of Wisconsin-Whitewater.