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John J. Sullivan

Litigation & Dispute Resolution, Public Policy, Regulatory & Government Affairs, International Trade

Overview

Ambassador John J. Sullivan, former US deputy secretary of state and former US ambassador to the Russian Federation, is a partner in Mayer Brown’s Washington DC and New York offices and co-lead of the firm’s National Security practice. He is also a Distinguished Scholar at the School of Foreign Service of Georgetown University and a Distinguished Fellow at the School of International and Public Affairs of Columbia University. He serves as a Contributor to CBS News, is quoted frequently in international media as a leading authority on foreign affairs, and has written a book on his experiences as ambassador, Midnight in Moscow, which is forthcoming from Little, Brown and Company in August 2024.

Education

  • Columbia Law School, JD
    Book Reviews Editor, Columbia Law Review; Harlan Fiske Stone Scholar; Teaching Fellow
  • Brown University, AB, History and Political Science

Admissions

  • District of Columbia
  • New York

Courts

  • US Supreme Court
  • US Court of Appeals for the District of Columbia Circuit
  • US Court of Appeals for the Ninth Circuit
  • US District Court for the District of Columbia
  • US District Court for the Eastern District of New York
  • US District Court for the Southern District of New York

Professional & Community Involvement

  • Distinguished Scholar, School of Foreign Service, Georgetown University.
  • Distinguished Fellow, School of International and Public Affairs, Columbia University.
  • Distinguished Senior Fellow, National Security Law Program, Columbia University School of Law.
  • Member, American Academy of Diplomacy.
  • Member, Council on Foreign Relations.
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