Marsh & McLennan Companies, Inc. announced that on September 23, 2022, Daniel S. Glaser, 62, informed the Board of Directors of the company of his intention to retire as the Company's Chief Executive Officer at the end of the year. Mr. Glaser will also retire from the Company's Board concurrent with his retirement from the Company. In addition, on September 23, 2022, the Board named John Q. Doyle, 58, currently the Company's Group President and Chief Operating Officer, as Mr. Glaser's successor and he will become Chief Executive Officer, effective January 1, 2023.

Mr. Doyle has served as Group President and Chief Operating Officer and Vice Chair of the Company since January 2022. Prior to his current role, he served as President and Chief Executive Officer of Marsh LLC (“Marsh”), a wholly-owned subsidiary of the Company, from July 2017 to December 2021, and as President of Marsh from April 2016 to July 2017. Prior to joining the Company, Mr. Doyle was most recently Chief Executive Officer of AIG's commercial insurance businesses.

Mr. Doyle began his career at AIG in 1986 and held several senior executive positions, including President and Chief Executive Officer of AIG property and casualty in the U.S., President and Chief Executive Officer of National Union Fire Insurance Company, and President of American Home Assurance Company. Mr. Doyle serves on the boards of the Greenberg School of Risk Management at St. John's University, the New York Police and Fire Widows and Children's Benefit Fund and the Inner-City Scholarship Fund.