Jeff Orlowski-Yang

Award-winning Filmmaker, Photographer, Entrepreneur & Climate Change Activist

Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Pierce Brosnan

Actor, Producer & Activist; Best Known for His Role as James Bond

Edward Norton

Award Winning Actor & Filmmaker

Robert Ballard

Renowned Ocean Explorer & Scientist

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Adrian Grenier

Actor Known for HBO's "Entourage"; Environmental Activist; UN Ambassador

Bono

Lead Singer of U2, Activist & Co-Founder of DATA (Debt, AIDS, Trade, Africa)

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Rick Ridgeway

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

Daniel Pauly

Daniel Pauly is the principal investigator at the Sea Around Us Project, which studies the impact of the world's fisheries on marine ecosystems. The software he's helped develop is used around the world to model and track the ocean.

Brad Pitt

Actor, Producer, Philanthropist & Environmental Activist

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Sebastian Copeland

Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation

Robert Redford

Actor, Director, Producer, Environmentalist & Founder of the Sundance Film Festival

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

Dr. Sylvia Hood Washington

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

Ramez Naam

Computer Scientist, Science Fiction Author & Co-Chair of Energy & Environment at Singularity University

Ramez Naam - Exponential Innovation | SingularityU Thailand Summit

Tristram Stuart

Environmental Campaigner, Author & Businessman

Sophia Bush

Actress, Humanitarian & Author

David Doubilet

National Geographic Photographer & Founding Member of the International League of Conservation Photographers

Jonathan Trent

Former Director of Offshore Membrane Enclosures for Growing Algae; Founder of UpCycle Systems

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Carl Pope

Senior Advisor to UN Envoy for Cities and Climate; Former CEO and Chairman of the Sierra Club

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Jason Clay

Senior Vice President of Food & Markets at WWF

Jack Johnson

Folk Rock Singer-Songwriter; "Upside Down" & "Banana Pancakes;" UN Environment Program Ambassador

Mark Ruffalo

Actor, Director, Producer, Screenwriter & Environmental Activist

William McDonough

Renowned Architectural Designer, Advisor & Co-Author of "Cradle to Cradle + The Upcycle"

Shaun Tomson

Former World Champion Surfer, Environmentalist & Motivational Speaker