Professor of public and international law and Director, Development and Rule of Law Programme (DROP), Stellenbosch University, South Africa and Director, Research Center for Climate Law [ClimLaw: Graz], Faculty of Law, University of Graz, Austria. Distinguished Fellow, Fraunhofer Centre for Int. Management and Knowledge Economy, Leipzig, Germany; Professor Extraordinaire University of Central Africa, Yaoundé, Cameroon; Strathmore Law School, Nairobi, Kenya; European Law Faculty, Nova University, Slovenia, and China-Africa Institute, for Business and Law, Xiangtan University, China. Founding Director, Climate Policy and Energy Security Programme for sub-Saharan Africa, Konrad Adenauer Foundation; coordinating AR5 lead-author of the Intergovernmental Panel on Climate Change (IPCC); and one of the worldwide 14 founding academic chairs of the World Trade Organization (WTO) specialising in law, sustainability and climate change.