Associate Director - Energy and Minerals at United States Geological Survey

President at Friends of the Earth

Adjunct Lecturer in Public Policy at Harvard Kennedy School

Global Director, Energy at World Resources Institute

Director of Energy Research & Analysis at Union of Concerned Scientists

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

virologist at the Georgetown University Center for Global Health Science and Security at Georgetown University, School of Medicine

Vice Chair of Pediatrics at Brown University, Alpert Medical School

Associate Professor of Emergency Medicine at John Hopkins University, School of Medicine

Associate Director, Pediatric Residency Program & Associate Professor at UC Davis, School of Medicine

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

Professor, Molecular and Cellular Physiology at Stanford University, School of Medicine

Expert at Cannabis Expertise

Executive Director (Arkansas Branch) at National Alliance On Mental Illness

Professor, Institute for Systems Genetics & Professor of Neuroscience and Physiology at NYU, School of Medicine

Chair of the Genetics Department at Yale University School of Medicine