Mr. Hampson has acted in multiple arbitrations conducted under the auspices of the International Chamber of Commerce (ICC), the International Centre for Settlement of Investment Disputes (ICSID), and the Stockholm Chamber of Commerce (SCC), as well as in ad hoc proceedings under the United Nations Commission on International Trade Law (UNCITRAL) rules. These matters have covered a large variety of sectors, including oil and gas, natural resources, financial services and telecommunications.