Hyperion DeFi, Inc. announced that its Board of Directors appointed Hyunsu Jung as Chief Executive Officer, effective immediately. Jung joined Hyperion DeFi as Chief Investment Officer in June 2025, where he has focused on developing on-chain business lines, strengthening operational discipline, and expanding institutional relationships. Prior to joining the Company, he designed and deployed differentiated digital asset strategies at DARMA Capital, a $1B+ asset manager registered with the CFTC and NFA. His work included optimizing on-chain utility across leading digital assets such as Ethereum and Filecoin, with a focus on scalable, revenue-generating strategies.
The Company also previously announced the appointment of David Knox, CFA, as Chief Financial Officer on September 29, 2025. Mr. Knox brings deep experience in capital markets and financial services, having held leadership roles at PayPal, SoFi, and Cantor Fitzgerald. As CFO, he is focused on strengthening Hyperion DeFi’s financial infrastructure and positioning the Company as a trusted bridge between traditional capital markets and decentralized finance. “I am honored to step into the CEO role at Hyperion DeFi during this important phase for the digital asset industry,” Jung said.
“Our focus is on building a leading Hyperliquid-native DeFi company that supports global adoption, monetizes growth through disciplined on-chain strategies, and provides shareholders with meaningful exposure to the expansion of the Hyperliquid ecosystem.” Rachel Jacobson, Independent Director, added: “On behalf of the Board, we are very pleased to appoint Hyunsu Jung as CEO. He brings the right combination of leadership, strategic focus, and operational discipline to build a strong foundation for the company.”
In addition to the CEO and CFO appointments, Robert Rubenstein will join as General Counsel, effective January 12, 2026. Mr. Rubenstein is a seasoned legal executive with nearly three decades of experience leading legal, compliance, and business development functions for multinational public and private companies. Over his career, he has managed more than $20 billion in complex corporate transactions, overseen global regulatory compliance programs, and directed significant litigation matters in both U.S. and international jurisdictions.
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