Gary E. Zimmerman

Brock Capital

Gary Zimmerman is a Managing Director at Brock Securities LLC. He also serves as the Managing Partner of Six Trees Capital LLC and is the Founder and CEO of Max (, a financial technology company focused on bringing efficiency and transparency to the multi-trillion dollar market for cash. Previously, Gary was a Managing Director at Citigroup, where he served as Global Head of Strategic Solutions for Sovereign Wealth Funds, responsible for advising these funds on their direct investment activities globally. In that role, he spent considerable time in Europe, the Middle East and Asia advising funds with more than $5 trillion of assets under management.

Earlier, Gary led Citigroup’s cross-border M&A business in Japan, advising multinational corporations, financial institutions and private equity funds on their strategic ambitions overseas. Prior to joining Citigroup, he advised electric and gas utility and energy clients at Merrill Lynch &  Co. and SG Barr Devlin, a division of Societe Generale, both in New York.

Gary graduated magna cum laude from Harvard University with a degree in Economics, and subsequently completed an executive education program at the Wharton School of The University of Pennsylvania.