Brian Duperreault, AIG

Brian Duperreault, AIG

President, CEO and director


Prior to assuming his current role at AIG in 2017, Brian Duperreault served as chairman and CEO of Hamilton Insurance Group, where “he introduced cutting-edge data science and analytics into the insurance business,” says Douglas M. Steenland, chairman of the AIG board. “Brian is a hands-on leader who has consistently delivered strong bottom-line results. He has demonstrated a passion for deploying new and innovative ways to serve clients.”

Building on his experience at Hamilton, Duperreault has used his position as president, CEO and director of AIG to grow the company’s global team and oversee the development of innovative client solutions with the goal of becoming “the most technology-enabled and capital-efficient carrier in the industry.”

Prior to Hamilton, Duperreault served as president and CEO of Marsh & McLennan Companies, was non-executive chairman and CEO of ACE, and held various senior executive positions with AIG and its affiliates dating back to 1973. Outside of AIG, Duperreault is a member of the boards of the Bermuda Institute of Ocean Sciences, Partnership for New York City, the Geneva Association and Saint Joseph’s University, where he earned a bachelor’s degree in mathematics. He is also the former chairman of the board of overseers of the School of Risk Management at St. John’s University and chairman emeritus of Blue Marble Microinsurance.