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Aon plc (AON) CEO History | CEO Tracker
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Aon plc
AON
Financial Services
NYQ
$69.1B
AON SEC filings last scanned 22 Aug 2026, 16:44 UTC
CEO Timeline
Gregory C. Case
Current
Apr 2005 — Present
(21y 5mo)
Gregory C. Case was appointed President and Chief Executive Officer of Aon Corporation, effective April 4, 2005.
2 source filings — click to expand