Aon plc Announces Leadership Transition: David DeBrunner Appointed Global Controller and Chief Accounting Officer, Michael Neller to Take on New Role
Reuters
Jul 30
Aon plc Announces Leadership Transition: David DeBrunner Appointed Global Controller and Chief Accounting Officer, Michael Neller to Take on New Role
DUBLIN, July 29, 2025 - Aon plc announced that David DeBrunner will become the new Senior Vice President, Global Controller, and Chief Accounting Officer effective September 15, 2025. He will succeed Michael Neller, who transitions to the role of Deputy Global Chief People Officer and Head of Total Rewards and Talent Development. DeBrunner joins Aon from Ally Financial Inc., bringing extensive experience in financial services and accounting.
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