- Andrew Castellaneta retired as SVP and CAO effective October 1, 2026.
- Castellaneta had over 25 years at Omnicom.
- Jordan Farnam appointed as VP, Global Financial Reporting and CAO effective same date.
- Farnam joined Omnicom in January 2024.
- Retirement not due to any disagreement with the company.
- Omnicom Group disclosed the retirement of Andrew Castellaneta as Senior Vice President and Chief Accounting Officer, effective October 1, 2026, after more than 25 years with the company. The board appointed Jordan Farnam, who joined Omnicom in January 2024 as VP of Global Financial Reporting, as the new Chief Accounting Officer. Castellaneta will remain an employee temporarily to ensure a smooth transition. The filing states the retirement was not due to any disagreement.
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