Marsh and Mclennan Companies Inc
Officers & Directors
Paul Beswick, age 51, is Senior Vice President and Global Chief Information and Operations Officer (CIOO) of Marsh, responsible for leading the Business and Client Services team and overseeing global Operations and Technology. He previously served as Chief Information Officer from 2021 to 2025 and was a Partner and Global Head of Oliver Wyman Labs and the Digital Practice at Oliver Wyman.
Katherine J. Brennan, age 47, is Senior Vice President and General Counsel of Marsh, leading global legal, compliance, public affairs, and sustainability functions. She formerly served as General Counsel of Marsh Risk and Deputy General Counsel, Corporate Secretary, and Chief Compliance Officer for Marsh.
John Q. Doyle, age 62, is President and Chief Executive Officer of Marsh. He has 40 years of leadership experience, including roles at AIG and as Group President and Chief Operating Officer of Marsh. He serves on multiple boards and committees.
Carmen Fernandez, age 52, is Senior Vice President and Chief People Officer for Marsh. Her prior roles include Deputy Chief Human Resources Officer, Chief Human Resources Officer of Guy Carpenter, and HR leadership positions at Mercer. She previously worked in investment banking at Goldman Sachs and Bank of America.
John Jones, age 54, is Chief Marketing and Communications Officer of Marsh. He previously held similar roles at Marsh Risk and senior marketing positions at AIG, with over 25 years of experience.
Dean Klisura, age 62, is President and Chief Executive Officer of Guy Carpenter and Vice Chair of Marsh. He has held leadership roles at Marsh Risk and Guy Carpenter since 1993.
Mark McGivney, age 58, is Senior Vice President and Chief Financial Officer of Marsh. His prior senior financial management roles include Chief Financial Officer of Marsh Risk and Mercer, as well as leadership positions in Corporate Finance, Treasury, and Investor Relations.
Marsh and Mclennan Companies Inc currently has 95000 employees.
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