Sylvia Earle

Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA

Gary White

CEO & Co-Founder of WaterEquity & Water.org with Matt Damon

Jason Clay

Senior Vice President of Food & Markets at WWF

Louie Psihoyos

Photographer & Documentary Film Director Known for the Academy Award-Winning Documentary "The Cove"

Matt Damon

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

Heidi Cullen

Communications Director for Monterrey Bay Aquarium Research Institute; Climate Scientist

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Mark Z. Jacobson

Director of the Atmosphere/Energy Program & Professor of Civil and Environmental Engineering at Stanford University

Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist

Robert Ballard

Renowned Ocean Explorer & Scientist

Daniel Esty

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

David Suzuki

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

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Jamais Cascio

Author, Founder of Open The Future, Co-founder of WorldChanging.com, Specialist in Emerging Technologies, Environmental Dilemmas, and Cultural Transformation

Erin Brockovich

Consumer Advocate, Author, TV Host & Environmental Activist

Natalie Kyriacou OAM

Environmental + Social Impact Leader, Australian Top Innovator & Australia’s Top ‘Green’ Voice

Amali Tower

Climate Displacement, Migration & Refugee Expert; Founder of Climate Refugees

Q&A: Amali Tower on Climate Migration and 'Evolution Earth'

Kehkashan Basu

Forbes 30 under 30, United Nations Human Rights Champion, National Geographic Young Explorer & Founder-President of Green Hope Foundation

Jamie Margolin

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

Kelsey Skaggs

Co-Founder of the Climate Defense Project

Xiuhtezcatl Martinez

Indigenous Climate Activist, Hip-Hop Artist, Author & Youth Director of Earth Guardians

Dr. Sylvia Hood Washington

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

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

David Doubilet

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

Ayana Elizabeth Johnson

Marine Biologist, Conservation Strategist, Founder & CEO of Ocean Collectiv

What If We Get It Right?: Visions of Climate Futures

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Rick Ridgeway

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

Susan Tierney

Managing Principal of the Analysis Group

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.

Mark Tercek

Former President & CEO of The Nature Conservancy