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