Professor Sweeney, Stanford University, is Director of the Precourt Energy Efficiency Center and Professor of Management Science and Engineering. His professional activities focus on economic policy and analysis, particularly in energy, natural resources, and the environment. He currently is Senior Fellow of: the Stanford Institute for Economic Policy Research; Hoover Institution on War, Revolution and Peace; Freeman Spogli Institute for International Studies; Woods Institute for the Environment; Precourt Institute for Energy. Prof. Sweeney is a Senior Fellow of the U.S. Association for Energy Economics, a lifetime National Associate of the National Academies, a council member and senior fellow of the California Council on Science and Technology, a member of the External Advisory Council of the National Renewable Energy Laboratory. Prof. Sweeney earned his B.S. degree from MIT in electrical engineering and his Ph.D. from Stanford University in engineering-economic systems.

At Stanford he has served as Director of the Energy Modeling Forum, Chairman of the Institute for Energy Studies, and Director of the Center for Economic Policy Research (now the Stanford Institute for Economic Policy Research). He was a founding member of the International Association for Energy Economics, co-editor of the Journal Resource and Energy Economics, and vice-president for publications of the International Association for Energy Economics. In the early 1970's he was Director of the Office of Energy Systems Modeling and Forecasting of the U.S. Federal Energy Administration. He has served as a member of numerous committees of the National Research Council including the following committees: America's Energy Future, Benefits of DOE R&D in Energy Efficiency and Fossil Energy, Effectiveness and Impact of Corporate Average Fuel Economy (CAFE) Standards, Alternatives and Strategies for Future Hydrogen Production and Use.

He holds a B.S. degree from MIT in Electrical Engineering and a Ph.D. from Stanford University in Engineering-Economic Systems.