of the Institute of Energy Studies, director of the Center for Economic Policy Research, and director of the Energy Modeling Forum. He has served on several National Research Council committees, including the Committee on the National Energy Modeling System and the Committee on the Human Dimensions of Global Change. He also served on the Committee on Benefits of DOE’s R&D on Energy Efficiency and Fossil Energy, helping to develop the framework and method that the committee applied to evaluating benefits. His research and writings address economic and policy issues important for natural-resource production and use; energy markets, including those in oil, natural gas, and electricity; environmental protection; and the use of mathematical models to analyze energy markets. He has a BS from the Massachusetts Institute of Technology and a PhD in engineering-economic systems from Stanford University.