Nick Studer Appointed as New CEO of Marsh Risk

Summary

Marsh & McLennan Companies, Inc. announced on March 10, 2026, that Nick Studer will succeed Martin South as President and CEO of Marsh Risk, effective April 1, 2026. Martin South will transition to the role of Chief Client Officer. Both will continue to serve on the company's Executive Committee. The changes aim to accelerate growth, enhance client service, and leverage new technologies, as stated by John Doyle, President and CEO of Marsh. Studer brings extensive experience from Oliver Wyman, and South's new role will focus on applying AI and other technologies to improve the client experience.