Marsh has appointed Lisa Quest as UK CEO, succeeding Chris Lay, who is retiring from the business.
Quest (pictured) will take on the position in addition to her current role as head of UK and Ireland at Marsh management consultancy Oliver Wyman, effective from 6 April.
She will be based in London and report to Flavio Piccolomini, CEO, International, Marsh.
In this additional role, Quest will work with the UK’s business CEOs to shape Marsh UK’s commercial strategy.
Lay holds two roles at Marsh as the CEO of Marsh UK and CEO of Marsh Risk UK.
James Addington-Smith is coming in as CEO of Marsh Risk UK while Quest will take over as CEO of Marsh UK upon Lay’s retirement in April.
Quest joined Oliver Wyman in 2006, three years after the firm was bought by Marsh & McLennan.
Following time as a private equity investor, she returned in 2013, going on to be appointed as co-head of the government and public institutions practice for Europe.
In 2023, she was appointed to the additional role of head of UK and Ireland.
The firm noted her work draws on her global experience, where she has extensive expertise in areas such as data and analytics, workforce of the future, and organisational design.
In addition, she sits on the Canada-UK Chamber of Commerce Board, is a guest lecturer at the London School of Economics’ Centre for Risk and Regulation, and is a member of the leadership council at National Numeracy.
Through these roles, Quest works extensively with the government. This has included supporting the creation of new government bodies, including the National Wealth Fund.
Piccolomini said: “With her global leadership experience and management consultancy expertise, which has been honed with many of the world’s leading businesses, Lisa is well-placed to steer our growth as we create and deliver exceptional services that support our UK clients and enable them to continue to thrive.”
Quest added: “The UK is renowned for its creativity, innovation and entrepreneurialism, yet many organisations of all sizes are navigating an increasingly volatile risk landscape. I look forward to working with our colleagues and clients as we turn these risks into opportunities and support their future growth.”



