John L. Workman has served as a director of Federal Signal since February 2014 and sits on the Audit and Compensation and Benefits committees, having previously chaired the Audit Committee until April 2025. He retired in June 2014 as CEO of Omnicare, Inc. (formerly NYSE: OCR), a healthcare services company, where he had earlier served as President and CFO, and previously was Executive Vice President and CFO of HealthSouth Corporation. He has served on the board of Agiliti Health, Inc. (NYSE: AGTI) since November 2014 and is a Certified Public Accountant (inactive).