Us Agency For Intl Dev'l
AAAS Science and Diplomacy Fellow
Stanford University
Cox Visiting Professor
Fletcher School of Law and Diplomacy, Tufts University
Adjunct Professor of International Politics
Harvard University
Post-Doctoral Research Fellow and Lecturer
Harvard University Center for the Environment
Lecturer, Environmental Science and Public Policy
University of Maryland
Adjunct Faculty, School of Public Affairs and Conservation Biology and Sustainable Development Program
Union of Concerned Scientists
Director Global Environment Program
Woodwell Climate Research Center
Senior Science and Policy Advisor
Union of Concerned Scientists
Director of Science and Policy and Chief Climate Scientist
UC San Diego
UC Davis