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Brian Trelstad  

Chief Investment Officer, Acumen Fund

Brian Trelstad is the Chief Investment Officer of Acumen Fund, a $60M social investment fund investing in innovative social enterprises in South Asia and East Africa delivering critical health, water, housing and energy services to the base of the pyramid.  He also drives Acumen’s work measuring social and financial return and is a founding executive committee member of the Aspen Network of Development Entrepreneurs (ANDE).  Prior to Acumen Fund, Brian was a management consultant with McKinsey & Company in their New Jersey office.  He has co-founded and advised several early-stage technology companies and social enterprises and was the lead environmental staffer for President Clinton’s Corporation for National Service.  He is a graduate of Harvard College, Stanford University’s Graduate School of Business and the University of California’s College of Environmental Design. Brian is a member of the 2010 class of Henry Crown Fellows at the Aspen Institute. He is also a Kauffman Fellow (Class 12) and was the first impact investor to participate in the fellowship program

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