Brian Shortsleeve is passionate about helping founders and CEOs win in their markets by applying his experience driving operational excellence and executing strategic acquisitions.
Prior to founding M33 Growth, Brian served as the Chief Administrator and Acting General Manager of the Massachusetts Bay Transportation Authority (MBTA). Before the MBTA, Brian spent 14 years in strategy consulting and investing at Bain & Company, H.I.G. Capital, and most recently, General Catalyst, where he served as a managing director and led investments in software and technology-enabled services companies.
Brian is a Massachusetts native, graduate of Harvard College and Harvard Business School, and served as a Marine officer in Bosnia-Herzegovina and the Persian Gulf. He has been named one the 50 Most Influential People in Boston by the Boston Business Journal and The Boston Globe named him to the “2016 Game Changers” list, which recognizes leaders doing extraordinary things to reshape life and work in the greater Boston area.
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