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      Jonathan Greenstein

      Jonathan Greenstein

      Deputy Under Secretary for International Affairs

      U.S. Treasury

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      Jonathan Greenstein serves as President Trump’s Deputy Under
      Secretary for International Affairs at the Treasury Department. He previously was a partner and the chief legal officer of Road Capital. Prior to Road, he was an investor at the private equity firm Liberty Strategic Capital. Jonathan has served as a senior policy advisor to Senator Bill Hagerty, staff director for the Senate Banking Committee’s subcommittee on National Security and International Trade and Finance, and deputy assistant secretary of the Treasury Department. During the first Trump administration, Jonathan was awarded the Treasury Medal for his work helping design and operationalize CARES Act programs, including leading the development and implementation of the Paycheck Protection Program. Before his time in government, he worked in Goldman Sachs’s investment banking division covering financial institutions, and at Coinbase in summer 2015. Jonathan holds a JD from Yale, an LLM in Taxation from NYU, and a BA and MBA from Harvard.

      Speaking at SFF 2026

      • 1:00–1:30pmFri 20 NovPolicy StageHall 3, Singapore EXPOOpen

        Policy Rewiring

        A Multi-Rail Future, Part II: Making Many Monies Work Together

        Policy StageHall 3, Singapore EXPOOpen

        About this session

        The financial system is evolving towards a world where different forms of money coexist and move across increasingly interconnected networks. Fiat money and commercial bank deposits continue to underpin the global financial system, while new forms and representations of money — including tokenized deposits, payment stablecoins and central bank digital currencies — are introducing different characteristics, capabilities and ways of transacting. As traditional finance, with its established institutions, infrastructure and scale, intersects with a growing decentralised finance ecosystem, the challenge is to ensure these different forms of money and financial systems can work together.

        Building on the morning’s discussion of what should come first, this panel turns to the practical realities of a multi-money, multi-rail world. How can different forms of money connect across traditional and decentralised financial systems? What infrastructure, standards and regulatory approaches are needed to enable interoperability across borders, while safeguarding monetary sovereignty, financial stability and trust?