Biography of Michael O'Halleran

Last update: December 27, 2023

Career

Michael was Executive Chairman & Chief Executive Officer at Aon Benfield, and Chief Financial Officer at Hewlett Packard. Michael O'Halleran joined Ryan Specialty Group in 2018.

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Education

Michael O'Halleran has a Degree in Accounting and Finance from University of Wisconsin-Whitewater.

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  • In the Reinsurance industry, Michael O'Halleran has 5,386 colleagues in 390 companies located in 61 countries. 1,807 executive movements have been recorded in the last 12 months. Learn more about Reinsurance.

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