Global Director, Energy at World Resources Institute

Director of Energy Research & Analysis at Union of Concerned Scientists

Senior Bilingual Energy Analyst at Union of Concerned Scientists

President at Friends of the Earth

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

Senior Fellow, Geopolitics of Energy Project at Harvard Belfer Center for Science and International Affairs

CEO, WRI México at World Resources Institute

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

Cardiologist and Professor of Medicine and Radiology at Stanford University in Stanford, CA

Professor in the Department of Internal Medicine at UT Southwestern Medical Center in Dallas, TX

Professor of Medicine at Washington University of St. Louis, School of Medicine

Professor of Medicine at George Washington University in Washington, DC

Executive Director, Molecular Cardiology Research Institute & Cardiologist; Director, Vascular Biology Research Center at Tufts Medical Center

Cardiologist at UCLA Health in Los Angeles, CA

Chair and Professor of Pediatrics at Keck School of Medicine of USC

Cardiologist, Professor and Author in Los Angeles, CA

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

Director, NextGen Initiative at RAND at Mozaic Media + Communications

Associate professor | Department of Political Science at UCLA