Sigal Mandelker joined Ribbit Capital in April 2020. Ribbit is an investment firm focused on financial services and technology. Prior to Ribbit, Sigal served as Acting Deputy Secretary of the U.S. Treasury Department and as Under Secretary for Terrorism and Financial Intelligence. As Under Secretary, Sigal supervised four main components of Treasury (OFAC, FinCEN, the Office of Intelligence and Analysis, and the Office of Terrorist Financing and Financial Crimes). Sigal previously served in a number of senior positions in the U.S. government, including as Deputy Assistant Attorney General in the Justice Department, an AUSA in the U.S. Attorney’s Office for the Southern District of New York, Counselor to Secretary of Homeland Security Michael Chertoff, Counsel to the Deputy Attorney General, and as a law clerk on the U.S. Supreme Court. Sigal is also an Advisor to Chainalysis, sits on the Boards of the Financial Technology Association, the Crypto-ISAC, and the Blockchain Security Standards Council. She also served as Co-Chair of the Center for a New American Security’s (CNAS) task force on FinTech, Crypto, and National Security, and is also a Member of the Council on Foreign Relations. She served as a Member of the US Holocaust Memorial Museum Council, served on the Museum's Executive Committee, as well as Chair of the Museum's Collections & Acquisitions Committee.
