Sam Muller, dir of the Hague Institute for the Internationalisation of the Law, The Hague; Professor Barry Barton, The University of Waikato, Hamilton, council member, IBA Energy, Environment, Natural Resources and Infrastructure Law Section (SEERIL); Cynthia Urda-Kassis, Shearman & Sterling, New York, USA; José Miguel Hernández Fernandois, Evans & Cía, Santiago de Chile