Director of Environment and Health, Physicians for Social Responsibility

Associate Entomology Professor, University of Illinois at Urbana-Champaign

Interim Director, Center for Climate, Health, & Global Environment, Harvard

Portfolio Manager, Parnassus Investments

Whitmore-Williams Professor of Psychology, College of Wooster

Professor of Management, Cornell SC Johnson College of Business

Adjunct Economics Professor, College of William & Mary

Professor, Emmett Institute on Climate Change and the Environment

Senior Legal Reporter, Bloomberg Environment

Partner, Gibson, Dunn & Crutcher LLP

Partner, Bracewell

Co-Founder, Extinction Rebellion

President and Chief Executive Officer, The Trust for Public Land

American Indian Studies Lecturer, California State University San Marcos

Johnstone Family Professor of Psychology, Harvard University

Marine & Aviation Program Director, International Council on Clean Transportation

Co-Founder & Executive Director, Alianza Americas

Author, The Faraway Brothers

Journalist, National Geographic

Head of Migration, Environment and Climate Change, UN Migration Agency