Brian Duperreault
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Brian Duperreault

Brian Duperreault is chief executive officer of Hamilton Insurance Group, the Bermuda-based holding company of property and casualty insurance and reinsurance operations in Bermuda, the U.S. and the UK. Duperreault was president and chief executive officer of Marsh & McLennan from 2008 to 2012 and, before that, chairman, CEO and president of ACE.