Biography

Marc Grandisson served as Chief Executive Officer of Arch Capital Group Ltd. (NASDAQ: ACGL), a Bermuda-based global provider of specialty insurance, reinsurance, and mortgage insurance, from 2018 until his retirement in 2024. One of Arch Capital's original founders, he joined the company at its inception in 2001 and held a series of senior leadership roles before being appointed CEO. Under his leadership, Arch Capital grew into one of the most respected and profitable specialty insurance enterprises in the world, delivering consistent long-term value to shareholders across a range of market cycles. 

Prior to joining Arch Capital, Mr. Grandisson held senior roles at Berkshire Hathaway, F&G Re, and Towers Watson. He is a Fellow of the Casualty Actuarial Society and a member of the American Academy of Actuaries, and has served as Chairman of the Association of Bermuda Insurers and Reinsurers (ABIR). 

Mr. Grandisson earned a Bachelor of Science in Actuarial Science from Université Laval in 1990 and a Master of Business Administration from the Wharton School of the University of Pennsylvania in 2000. A lifelong hockey enthusiast born and raised in Quebec, he is a minority investor in the NHL's Carolina Hurricanes.