Roger Raufer is a consulting engineer with more than thirty-five years of experience in the environment/energy field. He has extensive experience in obtaining environmental permits for conventional boilers, combustion turbines, district heating, digester gas cogeneration, waste combustion, and other energy-related projects. In addition to private sector experience, he also served as Technical Advisor for the United Nations' Division for Sustainable Development in New York for four years (2001-2005). He has worked as a consultant for the U.N. addressing energy/environmental issues in China since 1990, and for the World Bank and U.S. AID in numerous countries around the world.

Dr. Raufer holds a Ph.D. in Energy Management and Policy from the University of Pennsylvania, with one of the very first doctoral dissertations addressing emissions trading (1984). He also holds degrees in chemical engineering, environmental engineering, and political science. He formerly taught at Penn, and has lectured every summer for more than twenty years at the IFP School in Paris. A registered Professional Engineer in a number of U.S. states, he has written two books on the role of emissions trading in environmental management.