Aon appoints David DeBrunner as chief accounting officer, effective September 15

Published 29/07/2025, 22:06
Aon appoints David DeBrunner as chief accounting officer, effective September 15

Aon plc (NYSE:AON) announced Tuesday that David DeBrunner will join the company as Senior Vice President, Global Controller, and Chief Accounting Officer, effective September 15, 2025. Upon assuming the role, Mr. DeBrunner will serve as Aon’s principal accounting officer and report to Edmund Reese, Executive Vice President and Chief Financial Officer.

Mr. DeBrunner, 59, is currently Vice President, Controller, and Chief Accounting Officer at Ally Financial (NYSE:ALLY) Inc., a position he has held since September 2007. Before joining Ally, he served as Senior Vice President and Corporate Controller at Fifth Third Bancorp (NASDAQ:FITB).

According to a press release statement, Mr. DeBrunner’s compensation package includes an initial annual base salary of $500,000 and eligibility for a target annual incentive award equal to 100% of his base salary starting in 2026. He will also participate in Aon’s long-term incentive compensation programs for senior executives, subject to approval by the company’s Organization and Compensation Committee.

As part of his hiring, Mr. DeBrunner will receive a cash sign-on bonus of up to $2.1 million, to be paid in installments during his first year at Aon. If Mr. DeBrunner voluntarily leaves the company or is terminated for cause within his first two years, any unpaid installments of the sign-on bonus will be forfeited and any paid installments will be subject to clawback.

Mr. DeBrunner will also be eligible to participate in Aon’s employee benefit plans available to senior executives. As a condition of employment, he is required to sign the company’s standard confidentiality and non-solicitation agreement.

On September 15, Mr. DeBrunner will succeed Michael Neller, who has served as Chief Accounting Officer and Global Controller since February 2018. Mr. Neller will transition to a new role as Deputy Global Chief People Officer and Head of Total (EPA:TTEF) Rewards and Talent Development, as previously announced by the company on March 13, 2025.

This information is based on a statement issued in a SEC filing.

This article was generated with the support of AI and reviewed by an editor. For more information see our T&C.

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