Vice President, Climate & Economics at World Resources Institute

Director of Energy Research & Analysis at Union of Concerned Scientists

Environmental Science and Public Policy Lecturer, Harvard University in Cambridge, MA

Associate Physical Scientist at RAND Corporation

CEO, WRI México at World Resources Institute

Global Director, Energy at World Resources Institute

Adjunct Lecturer in Public Policy at Harvard Kennedy School

Distinguished fellow & former president at Carnegie Endowment for International Peace

Associate Professor of History at University of New Haven

Professor of History and Global Studies at the University of Richmond in Richmond, VA

Chair in Political Science at the City College of New York in New York, NY

History Professor at the University of South Carolina in Irmo, SC

Nonresident scholar in the Russia and Eurasia Program at Carnegie Endowment for International Peace

Senior Fellow, Atlantic Council’s Europe Center in Washington, DC

Emeritus Professor of Politics at Oxford University in Oxford, ENG

Professor of Government at Claremont McKenna College

Director of Russia and Eurasia Program at Carnegie Endowment for International Peace

Associate Professor of Government at Dartmouth College

Professor of American Government at Georgetown University

Associate Professor of Political Science and African American Studies at Northwestern University

Professor of Political Science, Iowa State University in Ames, IA

Professor in Political Science, Senior Fellow at the Hoover Institution at Stanford, Department of Political Science

Professor & Director, M.A. in American Government at Georgetown University

Principal & Co-founder of RC Communications in Washington, DC