Michael O’Leary

Managing Director


Michael guides the firm’s view on impact and active ownership of companies held across Engine No.1’s funds. He is a pathfinder in the impact-investing movement, dedicated to creating greater accountability in both the private and public sectors.

Before joining Engine No. 1, Michael worked at Bain Capital, where he was a founding member of the firm’s social-impact fund and an investor focused on consumer, technology, and industrials for the firm’s private equity funds. He is the author of “Accountable: The Rise of Citizen Capitalism” (HarperCollins 2020), and his writing has been featured by the Aspen Institute, Bloomberg, Financial Times, Fortune, the London School of Economics, Vox, and the World Economic Forum, among others.

Michael received a BA in Philosophy from Harvard College and an MBA from Stanford Graduate School of Business.

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