Lee Caplan is a partner at Arent Fox in Washington DC specializing in international arbitration, international investment law, and public international law. He is also an adjunct professor at the Georgetown University Law Center. Prior to joining Arent Fox, he was a Legal Assistant at the Iran-United States Claims Tribunal and an attorney-adviser at the US Department of State's Office of the Legal Adviser. He is the co-author (with the late Professor David Caron) of a leading arbitration treatise entitled The UNCITRAL Arbitration Rules: A Commentary (2006).