Professor Emerita of Public Policy at University of Michigan

Associate Professor of Political Science at Rice University

Associate Professor of Political Science at Stanford, Department of Political Science

Director of Energy Research & Analysis at Union of Concerned Scientists

Global Director, Energy at World Resources Institute

Director, Energy, Climate Change & Extractive Industries Program , Inter-American Dialogue at Inter-American Dialogue

Member of the Board at Harvard Belfer Center for Science and International Affairs

Astronomy at McDonald Observatory, University of Texas at Austin

Professor, Arizona State University, School of Earth and Space Exploration in Phoenix, AZ