Jamie Margolin

Climate Change Activist; Author; Founder & Co-Executive Director of Youth-Led Climate Action Group "Zero Hour"

Youth to Power: Your Voice and How to Use It

Rick Ridgeway

Environmentalist, Mountaineer, Expedition Author, VP of Environmental Initiatives & Special Projects at Patagonia

Tensie Whelan

Director of NYU's Center for Sustainable Business; Former President of the Rainforest Alliance

Dr. Sylvia Hood Washington

Chief Environmental Research Scientist at Environmental Health Research Associates, LLC.

Kate Brandt

Lead for Sustainability at Google & Former Chief Sustainability Officer for the Obama Administration

Kartik Chandran

Environmental Engineer & Associate Professor at Columbia University

Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Andrew Hoffman

Holcim (US) Professor of Sustainable Enterprise at the University of Michigan

Chris Castro

Eco-Entrepreneur; Director of Sustainability for the City of Orlando

Ian Bowles

Environmentalist & Energy Expert; Co-Founder of WindSail Capital Group

Sarah Kauss

Founder & Chairwoman of S’well

How This Ex-accountant Built a $100m Empire in Just 6 Years

Chris Laszlo

Professor of Organizational Behaviour at Case Western Reserve University; One of the Originators of the Concept of Sustainable Value

Bindi Irwin

Wildlife Conservationist & Daughter of Steve Irwin; Season 21 Contestant on "Dancing With the Stars"

Ernest Moniz

Former United States Secretary of Energy

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Patricia Arquette: Sup. Actress Limited Series TV Movie, Golden Globes

Shirley Ann Jackson

Theoretical Physicist & Inventor; President of the Rensselaer Polytechnic Institute; National Medal of Science Recipient

Shailene Woodley

Actress & Environmental Activist

Shailene Woodley Confirms Her Engagement to Aaron Rodgers

Olivia Wilde

Actress, Screenwriter, Director, Producer & Activist

Jamie Oliver

Celebrity Chef, Bestselling Author & TV Personality

Laura Dern

Actress, Director, Producer & Activist