Mark's practice focuses on international dispute resolution and international trade. He represents private parties and sovereign governments in US courts and before international arbitral tribunals (in commercial and investment treaty disputes, including ICSID, ICC, ICDR, and UNCITRAL arbitrations). Mark regularly handles court litigation under the Foreign Sovereign Immunities Act (FSIA), as well as arbitration-related litigation under the New York Convention on Recognition and Enforcement of Foreign Arbitral Awards. Additionally, he provides advice to publicly traded and private U.S. and global enterprises on international regulatory compliance and enforcement matters involving customs, export controls, and OFAC embargo/sanctions regulations.