Matt Giannini

Chief Operating Officer of Equity Long/Short

Matt Giannini joined Walleye in January 2026 as Chief Operating Officer of Equity Long/Short. He partners closely with investment leadership to drive the strategic growth and scale of the firm’s Equity Long/Short platform, with a focus on talent strategy, anchoring sector franchises, expanding high-conviction external partnerships, and executing key strategic initiatives. Prior to joining Walleye, Matt served as Global Head of Equities Business Development at Citadel. Previously, he was Global Co-Head of Business Development at Balyasny Asset Management. He holds a B.S. from New York University.