Marsh has appointed Phil Parkinson as Chief Executive Officer of Mercer UK, subject to regulatory approval, with the transition expected in the coming weeks. Parkinson will report to Pat Tomlinson, President and CEO of Mercer, and Chris Lay, CEO, Marsh UK, with a future reporting change to Lisa Quest when she assumes her role on

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April 6, 2026. He succeeds Benoit Hudon, who will depart after supporting the transition. In his new role, Parkinson will oversee the company’s UK strategy across health and benefits, investments and retirement, and workforce advisory services, while collaborating with Marsh teams to deliver integrated solutions to clients.

Parkinson joined Mercer in 2007 and most recently served as UK Wealth Business Leader, managing its investments and retirement operations. Commenting on the appointment, Tomlinson said, “Phil is a highly talented leader who has built a very successful career with Mercer and has earned the respect of his clients and colleagues alike.” Parkinson added, “I am very grateful for the trust and opportunity to lead Mercer’s UK business. Together, with our team of exceptional colleagues, I am committed to creating the best outcomes for our clients.” 

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