Bradford S. Gentry is Director of the Research Program on Private Finance and the Environment at the Yale Center for Environmental Law and Policy in New Haven, Connecticut. His research concentrates on how environmental requirements, commercial pressures and market opportunities affect both the international operations of private companies and the role of governments in environmental protection. These efforts build on his previous and continuing work on private investment, legislative development, industrial environmental management and other projects, including co-directing the UNDP/Yale Program on Public-Private Partnerships for the Urban Environment. Bradford graduated, magna cum laude, from Harvard Law School in 1981. From 1990 to 1995, he was a lecturer in Comparative Environmental Law at the University of London. Since 1995, he has been a Senior Research Scholar at the Yale School of Forestry and Environmental Studies. He is also of Counsel to Morrison & Foerster, an international law firm, having been managing partner of the firm's London Office.
Peter H. May ( Brazil) is a resource economist and Professor at the Department of Development, Agriculture and Society of the Federal Rural University of Rio de Janeiro, where he teaches Natural Resource and Environmental Economics and Policy and Agroecosystems and Agrarian Systems. He has served as Program Officer for Rural Poverty and Resources at the Ford Foundation, Brazil, and Forestry Officer (Non- timber Forest Products) at the FAO in Rome. An editor of Pricing the Planet: Economic Analysis for Sustainable Development and Natural Resource Valuation and Policy in Brazil: Methods and Cases, both published by Columbia University Press, Peter recently published ComércioInternacional Agrícola e Meio Ambiente