Aon plc (NYSE: AON), a leading global professional services firm, today announced that Michael Mahoney has been appointed Northeast Region Leader and Co-Head of the U.S., effective August 1, 2026. In his new roles, Mahoney will join the Aon Executive Committee, while continuing to serve on the North America Executive Committee. As Northeast Region Leader, Mahoney will lead one of the firm’s most dynamic and strategically important U.S. markets, leveraging his deep client relationships and experience to drive growth and deliver value for clients. Prior to serving as Chief Commercial Officer, Mahoney was Head of Commercial Risk Sales for North America; before that, he served as West Region Leader. Earlier in his career, he held brokerage and client leadership roles in financial lines and management liability.