We bring more than capital to our portfolio companies: relationships, operational insight and a shared commitment to building a more sustainable economy.

Ian Bowles
Ian Bowles
Managing Director

Over 35 years of experience in the energy and environmental industries. Former Massachusetts Secretary of Energy and Environmental Affairs, with broad governance and audit experience.

Education
B.A., Harvard University; M.A., Oxford University, environmental studies
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Matthew O’Rourke
Matthew O’Rourke
Managing Director

Over 17 years of experience in credit, finance and banking. Joined WindSail in 2015; previously Vice President at Salus Capital Partners and Assistant Vice President at M&T Bank.

Education
B.S.B.A., Finance & Economics, Bryant University
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Andrew Chang
Andrew Chang
Vice President

Over 10 years of experience in credit, finance and investment banking. Joined WindSail in 2021; previously Associate at King & Spalding and Analyst at Wells Fargo Securities.

Education
B.S., Economics and Mathematics, Amherst College
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Michael Rand
Michael Rand
Co-Founder

Over 30 years of experience in private equity investing, structured finance and corporate finance. Previously Gordon Brothers, Palladin Capital and CIBC.

B.S., Georgetown University; MBA, NYU Stern School of Business
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Charles Zaffuto
Charles Zaffuto
OCFO

Over 38 years in the financial industry. Co-founder and Managing Member of The Alpha Cooperative; previously COO of Promethean Asset Management and co-founder of Double Alpha Group.

B.B.A., Accounting, Pace University, Lubin School of Business
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Seeking growth capital?

If you’re a growth-stage clean energy company seeking less dilutive capital, we’d like to learn more.

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