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Brian Trelstad

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Brian Trelstad is a Partner and Board Member of Bridges Fund Management, an investment fund that has raised and invested $1B in impact and sustainable investments.  He is currently investing out of the U.S. Sustainable Growth Fund, and a director of ABIC, an impact-focused special purpose acquisition corporation formed in partnership with private-equity firm AEA.  He is also a co-chair of the Impact Capital Managers, a network of over 60 market-rate impact investors in the United States managing over $5B in AUM.   


Brian began his career in impact investing in 2004 when he joined Acumen, where he was the Chief Investment Officer, overseeing the investment of more than $50M into portfolio companies in India, Pakistan, Kenya, Tanzania, South Africa and Ghana.  Prior to Acumen, Brian was a consultant at McKinsey & Company, a program officer at the Corporation for National Service and on the founding team of several for-profit and non-profit social enterprises.  He serves on the boards of several of the portfolio companies at Bridges and two non-profits: VisionSpring and Candid.  He is a Kauffman Fellow and a Henry Crown Fellow of the Aspen Institute.  He has a BA from Harvard, an MBA from Stanford University, and a MA in City and Regional Planning from UC-Berkeley.  He teaches courses in social entrepreneurship and systems change and leadership for corporate accountability at Harvard Business School.