He is also chair of the Energy Analysis and Policy (EAP) certificate program. He teaches courses in international policy analysis, energy systems analysis, and environmental governance. His research focuses on understanding the process of technological change and the ways in which public policy can affect it. He has been a contributor to the Intergovernmental Panel on Climate Change and the Global Energy Assessment. He received his doctorate in energy and resources from the University of California, Berkeley. His A.B. is in geography and economics from Dartmouth College.