Director, Melbourne School of Design

National Warehouse Program Manager, Greenpeace

Senior Director, Climate Imperative

CEO, Carbon Tracker Initiative

Acting Executive Director, TransForm

Professor Emerita, University of California Berkeley

President and CEO, Save the Redwoods League

Gun control activist; Cofounder, March for Our Lives, Leaders We Deserve

Co-founder, DeSmog Blog

Physician, Co-chair of Miami-Dade’s Heat-Health Task Force

Professor of Environmental Policy, Harvard Kennedy School of Government

Director of Climate Programs, ICLEI

Professor, Urban and Environmental Policy Planning, Tufts University

President, Reaching America

Senior Climate Justice and Health Scientist, Union of Concerned Scientists

Author, The Future Earth

Global Director, Sustainability and Vehicle Environmental Matters, Ford

Associate Professor, California State Polytechnic University, Pomona

Director of Organizational Transformation, The Sierra Club