Michael Hanemann is Julie A. Wrigley Chair in Sustainability, School of Sustainability, and he is a member of the Department of Economics, W.P. Carey School of Business, Arizona State University, and Distinguished Sustainability Scientist, Global Institute of Sustainability. He is also Chancellor’s Professor of the Graduate School, Department of Agricultural & Resource Economics, University of California, Berkeley. His research in economics has focused largely on aspects of modeling individual choice behaviour, with applications to demand forecasting, inducing conservation, environmental regulation and economic valuation. He is a leading authority on the methodology of non-market valuation using techniques of both revealed and stated preference.