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James Gillenwater has represented clients such as Fortune 500 companies, world leaders, and Olympians in high-stakes international disputes, including trials and arbitrations. His litigation experience spans commercial and securities class actions, business disputes, intellectual property matters, and products liability cases. James has also handled complex white collar investigations and regulatory matters such as OFAC delistings and INTERPOL red notice cancellations. James’s international representations focus on Latin America, and have involved Argentina, Bolivia, China, Colombia, the Dominican Republic, Guatemala, Haiti, Mexico, Panama, Spain, South Korea, Switzerland, Turkey, the United Kingdom, and Venezuela.

James has wide-ranging motion practice experience and has authored briefs for the U.S. Supreme Court, federal appellate and district courts, state courts, and a variety of government agencies. He has tried cases in both federal and state court and argued before courts across the country, including the U.S. Court of Appeals for the D.C. Circuit.



°The above representations were handled by Mr. Gillenwater prior to his joining Greenberg Traurig, P.A.

Recognition & Leadership

  • World Rugby Judicial Panelist, 2017-2018
  • Athlete Representative, United States Olympic Committee Athletes’ Advisory Council, 2010-2016
  • United States National Rugby 7s Team
    • Player, 2006-2009; Captain, 2009
  • Co-Founder, United States Rugby Players Association, 2016
  • Albert Schweitzer Fellow, Durham, North Carolina, 2010-2011
  • Fulbright Scholar, English Teaching Assistant, La Universidad Nacional de la Pampa, Santa Rosa, Argentina, 2007


  • J.D., magna cum laude, Duke University School of Law, 2012
    • Order of the Coif
    • Note Editor, Duke Law Journal
    • Justin Miller Award for Citizenship
  • B.S., summa cum laude, Vanderbilt University, 2005
  • Hon. Robert N. Chatigny, U.S. District Court for the District of Connecticut, 2012-2013
  • Florida
  • New York
  • District of Columbia
  • U.S. District Court for the Southern District of Florida
  • U.S. District Court for the Eastern District of New York
  • U.S. Court of Appeals for the District of Columbia Circuit
  • U.S. Court of Appeals for the Eleventh Circuit
  • Spanish, Fluent
  • French, Fluent