Steven W. Stone is the Chief of UNEP’s Geneva-based Economics and Trade Branch. Dr. Stone holds a M.Sc. and Ph.D. in Resource Economics from Cornell University and has more than 20 years of professional experience in environmental and natural resource management. Prior to his position with UNEP, Dr. Stone worked for the Inter-American Development Bank in Jamaica and Ecuador as a Senior Environmental Specialist, and also in Honduras as IADB’s Country Representative. Dr. Stone has also contributed to large scale investments in natural resource management in Panama and Brazil, as well as capacity building and technical assistance in areas related to environmental economics. Prior to his positions at the IADB and UNEP, Dr. Stone also served with the World Bank and the Instituto do Homem e Meio Ambiente da Amazonia, IMAZON, a Brazilian think tank on issues related to the sustainable use of land and forestry resources.