Earlier than founding Mangrove, Weinstein served as basic counsel and secretary at RenaissanceRe Holdings Ltd. for practically 20 years, earlier than retiring in 2020. His profession targeted on Florida property insurance coverage, and he stays lively in international and Bermuda reinsurance markets. Weinstein is chair of Itasca Re Ltd., a Bermuda specialty reinsurer, and was a former chair of the Bermuda Enterprise Growth Company.