Professor Stewart joined Georgetown University as Visiting Professor of Law following his retirement from the U. S. Department of State, where he served as Assistant Legal Adviser for Private International Law. Previously he had been Assistant Legal Adviser for Diplomatic Law and Litigation, for African Affairs, for Human Rights and Refugees, for Law Enforcement and Intelligence, and for International Claims and Investment Disputes, as well as Special Assistant to the Legal Adviser. Before joining the government, he was in private practice with Donovan Leisure Newton &Irvine in commercial and antitrust litigation. He was Adjunct Professor for over 25 years and received Georgetown’s Charles Fahy award for distinguished adjunct faculty teaching in 2003-2004.
Prof. Stewart is President of the American Branch of the International Law Association and a member of the Board of Editors of the American Journal of International Law and the Secretary of State’s Advisory Committee on Private International Law. The American Law Institute has selected him to serve as one of the reporters working on the Restatement (Fourth), Foreign Relations Law of the United States. He previously served on the Executive Council of the ABA’s Section of International Law and the Executive Council of the American Society of International Law. From 2008-2016 he was a member of the Inter-American Juridical Committee, which advises the Organization of American States on juridical matters of an international nature and promotes the progressive development and codification of international law.