Luke is a founding partner of Three Crowns and managing partner of the firm’s Washington, DC office.  He represents private and sovereign clients in some of their largest and most important commercial, investor-state, and inter-state arbitrations.  Luke also has 20 years of experience litigating international issues in U.S. courts.

Luke’s practice experience spans the energy, financial, construction, and technology sectors, and includes the successful prosecution of one of the largest ICC cases in history.  His investment arbitrations have involved multi-billion-dollar claims pertaining to expropriation, fair and equitable treatment, and denial of justice.  He is also representing sovereign clients on vital issues of public international law.

Luke is ranked by Chambers and Partners, which describes him as an “‘extraordinarily intelligent’” attorney who “draws extensive praise for his advocacy skills, with clients affirming that ‘his analysis and strategic view is outstanding.’”  Who’s Who has recognized Luke as “‘a very sharp intellectual’ with broad expertise in commercial and investor-state arbitrations” and that he “‘is praised for his ‘fantastic analytical and writing abilities.’”  Legal 500 writes that Luke “‘is extremely smart and a great strategic thinker’ and is an ‘excellent draftsman.’”

Luke is a Lecturer on Law at Harvard Law School.  He also teaches courses on international arbitration at American University and the University of Miami.  Among other publications, he is the co-author of the second edition of International Arbitration: Three Salient Problems (Cambridge University Press, anticipated 2020) and General Principles of Law and International Due Process (Oxford University Press, 2017).

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.  He earned his law degree from the University of Chicago Law School, after which he clerked for Chief Justice William H. Rehnquist of the U.S. Supreme Court.