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Get filing alertsMarsh & McLennan names Nick Studer CEO of Marsh Risk in leadership succession
Filed March 10, 2026 · Period ending March 10, 2026 · ~1 min read
Key Changes
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Nick Studer, currently CEO of Oliver Wyman and Marsh Management Consulting since 2021, will become President and CEO of Marsh Risk effective April 1, 2026, succeeding Martin South in a planned leadership transition.
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Martin South transitions from Marsh Risk CEO to Senior Vice President and Chief Client Officer of Marsh & McLennan, remaining on the Executive Committee and reporting to CEO John Doyle.
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South receives enhanced severance protection for 12 months: if terminated without cause or if he resigns for any reason through April 2027, he gets full severance benefits as if involuntarily terminated.
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1 more material change behind this preview — plus the full narrative summary, section-by-section diffs against the prior filing, and verbatim quotes with EDGAR citations.
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Source-verified from EDGAR · Narrative written by AI · Jun 5, 2026 · How we verify