Arthur J. Gallagher & Co. Announces Leadership Transition in Gallagher's Benefits & HR Consulting Division

ROLLING MEADOWS, Ill., Nov. 3, 2026 /PRNewswire/ -- Arthur J. Gallagher & Co. (NYSE: AJG) today announced that Tom Doyle has been appointed CEO of its Benefits & HR Consulting Division, effective January 1, 2027. Doyle, who currently serves as President of the division, will succeed William F. "Bill" Ziebell, who will retire from his role as CEO and transition to Chairman of the division on December 31, 2026.

"We are excited to have Tom step into this role," said J. Patrick Gallagher, Jr., Chairman and CEO. "His strong knowledge of the business, proven ability to bring teams and businesses together and commitment to our clients will be important as we continue to grow and strengthen the division. I am confident Tom will build on its strong culture and capabilities and position the business for continued success."

"Over the last 26 years, Bill has been instrumental in building Gallagher's Benefits & HR Consulting Division into the global business it is today," Gallagher added. "His leadership, commitment to our culture and focus on clients have made the business stronger and positioned it well for the future. I want to thank Bill for his many contributions and look forward to continuing to benefit from his experience and counsel as Chairman."

About Arthur J. Gallagher & Co.

Arthur J. Gallagher & Co. (NYSE: AJG), a global insurance brokerage, risk management, and consulting services firm, is headquartered in Rolling Meadows, Illinois. Gallagher provides these services in approximately 130 countries around the world through its owned operations and a network of correspondent brokers and consultants.

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SOURCE Arthur J. Gallagher & Co.