AON AON PLC Management Changes 8-K Filing 2025 - Management Transition On March 14, 2025, Eric Andersen stepped down as President of Aon plc and Gregory C. Case became the new President while retaining his CEO role; no changes were made to Case's compensation. A press release regarding these transitions was issued on March 17, 2025.Get access to all SEC 8-K filings of the AON PLC