Meg Lowman

National Geographic Explorer & Arbornaut

Dr. Rae Wynn-Grant

Conservation Scientist, Large Carnivore Ecologist, Nature Storyteller & Advocate

Wild Life: Finding My Purpose in an Untamed World

Thomas Crowther

Professor of Ecology at ETH Zürich; Founding Chair of the Board for the UN Decade on Ecosystem Restoration

Douglas McCauley

Professor at UC Santa Barbara, Adjunct Professor at UC Berkeley & Director Benioff Ocean Science Laboratory

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.

Matt Damon

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

Nalini Nadkarni

Ecologist, Director of STEM Ambassador Program & Leading Expert in Canopy Research

Scott W. Tinker

Director of the Bureau of Economic Geology; State Geologist of Texas; Geosciences Professor at The University of Texas at Austin

Colin Averill

Ecologist & Climate Change Scientist

Dr. Julio Friedmann

Chief Scientist at Carbon Direct & Non-Resident Fellow at the Center on Global Energy Policy at Columbia University SIPA

Liz Bonnin

Award-Winning Science Expert & Broadcaster; Known for "Blue Planet Live" and "Drowning in Plastic"

Rinzin Phunjok Lama

Internationally Acclaimed Widlife Biologist & Conservationist

Tim Flannery

Environmentalist, Explorer & Author

Jennifer Wilcox

Presidential Distinguished Professor of Chemical Engineering and Energy Policy at the University of Pennsylvania

The Farm of the Future / Session III: Jennifer WIlcox

Daniela V. Fernandez

Founder & CEO of Sustainable Ocean Alliance

Colin Carlson

PhD Candidate at University of California, Berkeley

Dr. Anthony Leiserowitz, Ph.D.

Director of Program on Climate Change Communication; Senior Research Scientist of Forestry & Environmental Studies at Yale University

Hazen Audel

Adventurer, Biologist & Survival Expert

Primal Survivor | Asli Khatra, Asli Hero

Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

Tensie Whelan

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

Andrés Ruzo

Geothermal Scientist & Amazon Conservationist

Greg Asner

Globabl Ecologist & Conservative Director at ASU

Greg Asner on Global Monitoring of Carbon, Corals & Forests

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

Mark Tercek

Former President & CEO of The Nature Conservancy

Heidi Cullen

Communications Director for Monterrey Bay Aquarium Research Institute; Climate Scientist

M. Sanjayan

Executive Vice President & Senior Scientist at Conservation International

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

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