Marsh McLennan Appoints Susan Potter US and Canada Chief Commercial Officer

Nov 1, 2023

New York, November 1, 2023 – Marsh McLennan (NYSE: MMC), the world’s leading professional services firm in the areas of risk, strategy and people, announced today the appointment of Susan Potter as US and Canada Commercial Officer, effective immediately.

In this new role, Ms. Potter will be responsible for driving client-centric initiatives that enhance Marsh McLennan's ability to meet the evolving needs of clients throughout the US and Canada. She will work closely with teams across Marsh, Mercer, Guy Carpenter and Oliver Wyman to ensure the delivery of exceptional client experiences as well as our deep industry knowledge and foster collaboration and innovation.    

Based in Washington, DC, Ms. Potter will report to Pat Tomlinson, Marsh McLennan US and Canada CEO and President of Mercer. 

Ms. Potter brings more than 25 years of commercial and public sector consulting, management and leadership experience to her new position. She joined Mercer in 2019 as Chief Commercial Officer for the US and Canada, after a successful 25-year career at Willis Towers Watson. 

Commenting on her appointment, Mr. Tomlinson said: “We are fortunate to have Susan assume this new role. Her exceptional leadership experience, combined with her deep knowledge of Marsh and Mercer's comprehensive suite of solutions and capabilities, will play a pivotal role in unlocking the full potential of Marsh McLennan's offerings for our clients.”

Ms. Potter added: “I look forward to working with Pat and others across the Company as we seek to deliver solutions that help our clients manage risks, optimize their workforce, develop winning health and benefits strategies and protect their assets in today’s complex business environment.” 


About Marsh McLennan

Marsh 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 130 countries.  With annual revenue of over $20 billion, Marsh McLennan helps clients navigate an increasingly dynamic and complex environment through four market-leading businesses. Marsh provides data driven risk advisory services and insurance solutions to commercial and consumer clients. Guy Carpenter develops advanced risk, reinsurance and capital strategies that help clients grow profitably and pursue emerging opportunities. Mercer 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. Oliver Wyman serves as a critical strategic, economic and brand advisor to private sector and governmental clients. For more information, visit and follow us on LinkedIn and Twitter.


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