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Michael D. O'halleran

Senior Advisor

Michael D. O’Halleran currently serves on the Audit Committee, is Executive Chairman of Geneva Re Limited, a Bermuda based reinsurance holding company, and also serves as Senior Advisor at Ryan Specialty Group.

Prior to joining RSG as a senior advisor, Mr. O’Halleran was Executive Chairman and founder of Aon Re, the largest reinsurance brokerag...


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Roles at Ryan Specialty Group

  • Senior Advisor

    Current role

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