Before co-founding Three Crowns LLP, Luke Sobota was a partner in the Global Disputes practice group of a leading international law firm. In addition to handling several multi-jurisdictional matters, including Chevron’s $9.5 billion dispute with Ecuador before the PCA, he successfully argued cases in U.S. appellate courts and briefed several cases in the U.S. Supreme Court. Luke previously worked in the Office of Legal Counsel at the U.S. Department of Justice, where he advised and prepared formal legal opinions for executive branch officials on a range of constitutional, international, and administrative law issues. At 3C, Luke has been arbitrating a multi-billion claim before the ICC in New York and several investor-state cases involving issues such as expropriation and denial of justice. He also has been advising a sovereign on a matter of public international law concerning a border dispute. Luke is currently writing a monograph on general principles of international law for Oxford University Press. Luke attended Pomona College and earned his law degree from the University of Chicago, after which he clerked for the late Chief Justice of the U.S. Supreme Court, William H. Rehnquist.