Aon plc has appointed David DeBrunner as Senior Vice President, Global Controller, and Chief Accounting Officer, effective September 15, 2025. DeBrunner will receive a $500,000 annual base salary and a sign-on bonus of up to $2.1 million as he succeeds Michael Neller. This appointment marks a key leadership transition within the company's financial management as Neller moves to a new internal role.
