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լи McLennan appoints David Liston US and Canada Chief Commercial Officer

Feb 28, 2024

NEW YORK, February 28, 2024 –(NYSE: MMC), the world's leading professional services firm in the areas of risk, strategy, and people, announced today the appointment of David Liston as US and Canada Chief Commercial Officer (CCO), effective immediately. He will report to Pat Tomlinson, լи McLennan US and Canada CEO and President of Mercer, and Hans van Heukelum, լи McLennan global CCO.

In this role, Mr. Liston will collaborate with լи, Mercer, Guy Carpenter, and Oliver Wyman leaders to foster collaboration and innovation at the intersection of the businesses, maximize client impact, and enhance business growth in the US and Canada.

“David’s client-first attitude, extensive leadership experience, and collaboration mindset will bring immense value to our colleagues, clients, and business,” said Mr. Tomlinson.

Mr. Liston brings a wealth of experience to the role. He previously served as լи US and Canada Corporate Segment Leader, and recently had an expanded role across լи and Mercer, driving mid-market offerings for the region. His appointment follows the transition of Susan Potter to the role of President, Mercer US and Canada earlier this year.

Mr. Liston has held various client-facing and leadership roles during his 30-plus year career at լи. He previously served as the US Sales and Marketing Leader, and prior to that was responsible for the New York, New Jersey, and Connecticut region. His extensive experience includes serving as the New York Office Head and the Seattle Office Head for լи. He spent a decade in Florida, specializing in production and client executive roles. He will continue to be based in New York.

Mr. Liston added: “Two of the things that inspire me about լи McLennan are the scope of our expertise and the actionable solutions we offer clients across our four businesses. I am eager to collaborate with Pat and our colleagues throughout the company to provide our clients with innovative solutions that enable them to thrive in today’s challenging business environment.”

About լи McLennan

լи McLennan(NYSE: MMC) is the world’s leading professional services firm in the areas of risk, strategy and people. The Company’s more than 85,000 colleagues advise clients in over 130 countries. With annual revenue of $23 billion, լи McLennan helps clients navigate an increasingly dynamic and complex environment through four market-leading businesses.provides data driven risk advisory services and insurance solutions tocommercial and consumer clients.develops advanced risk, reinsurance and capital strategies that help clients grow profitably and pursue emerging opportunities.delivers advice and technology-driven solutions that help organizations redefine the world of work, reshape retirement and investment outcomes, and unlock health and wellbeing for a changing workforce.serves as a critical strategic, economic and brand advisor to private sector and governmental clients. For more information, visitmarshmclennan.comand follow us onand.

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Sally Roberts
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