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

Nelson A. Rockefeller Center for Public Policy and the Social Sciences at Dartmouth College

Associate Professor of Public Policy and Political Science at Duke University

Professor at Emory University

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

Director, Program in Politics and Law at Dartmouth College

Interim Director of the A. Alfred Taubman Center for American Politics and Policy at Brown University, Watson Institute for International and Public Affairs

Director of Energy Research & Analysis at Union of Concerned Scientists

President at Friends of the Earth

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

Former President and CEO Emeritus at World Resources Institute

Global Director, Energy at World Resources Institute

Faculty Affiliate, Harvard Project on Climate Agreements at Harvard Belfer Center for Science and International Affairs

Research Associate, Health Care Coverage and Access & Tracking Health System Performance at The Commonwealth Fund

Chair of the Genetics Department at Yale University School of Medicine

Professor at UC Davis, School of Medicine

Professor & Chief, Division of Infectious Diseases at University of North Carolina CH, School of Medicine

Associate Professor of Clinical Medicine at UC Davis, School of Medicine

Professor of Medical Microbiology and Immunology at UC Davis, School of Medicine

Assistant Professor in the Division of Infectious Diseases at UC Davis, School of Medicine

Professor of Genome Sciences, University of Washington in Seattle, WA

Professor Emeritus, Medicine - Immunology & Rheumatology at Stanford University, School of Medicine