Co-Director, Energy Justice Lab, University of Pennsylvania

Professor, Emmett Institute on Climate Change and the Environment

U.N. Special Envoy for Climate Action and Finance

CEO and Co-Founder, Higher Heights for America

Environmental Reporter, CalMatters

Distinguished Professor of Agricultural and Resource Economics , UC Davis

Project Manager, NREL

Research Biologist, Marine Science Institute, UC Santa Barbara

Director Of Workforce Engagement, Resilience Force

U.S. Representative (D-FL)

Director of Transportation Policy, Lyft

Secretary, U.S. Department of Housing and Urban Development

Senior Director, DGM Global

Co-Founder & Executive Director, Alianza Americas

Executive Director, Healthy Community Services

Former Senior Director, White House Council on Environmental Quality

Assistant Director, Institute for Capacity Development, IMF

Office of Climate Change, California Air Resources Board

Professor, Carnegie Mellon University School of Design

Dean, Berkeley Law