Barton Legum is a partner in the Paris office of Dentons and the Head of its investment treaty arbitration practice. He has over 20 years' experience in litigating complex cases and has argued before numerous international arbitration tribunals, the International Court of Justice and a range of trial and appeals courts in the United States. His practice focuses on international arbitration and litigation in general and arbitration under investment treaties in particular. From 2000 to 2004, he served as Chief of the NAFTA Arbitration Division in the Office of the Legal Adviser, United States Department of State. In that capacity, he acted as lead counsel for the United States Government defending over $2 billion in claims submitted to arbitration under the investment chapter of the North American Free Trade Agreement (NAFTA). The United States won every case decided under his tenure. Bart was educated at Rice University, the University of Georgia School of Law and the University of Paris II Pantheon Assas. He is a member of the Paris and New York bars.