A. Timothy Martin (C.Arb, FCIArb, CCA Fellow) is Managing Director of Northumberland Chambers in Calgary, Alberta, Canada. He is currently Chair of the Journal of World Energy Law & Business and was formerly President of the Association of International Energy Negotiators. He has been a senior executive in the international energy business with experience in more than fifty countries. Over his forty-year career, he has also acted as arbitrator, counsel, and expert in energy disputes. John Gilbert is a partner in Bracewell's London office. He advises on the resolution of energy disputes through litigation, arbitration, expert determination, and mediation. He has represented clients in a broad range of disputes across all aspects of the energy sector, including oil and gas, conventional power, and renewables. Peter Roberts is a leading authority on JOAs, with thirty years of experience in the international oil and gas sector. He has published several books on the subject of joint operating agreements and was previously general editor of the Journal of World Energy Law & Business. A solicitor admitted in England, Wales, and Hong Kong, he provides transactional advice and expert testimony in the energy sector. He is also visiting professor in law at Austral University, Buenos Aires.