Jason Momoa

Hawaiian Actor Known for Khal Drogo on HBO's "Game of Thrones"

Alex Honnold

Professional Rock Climber & Star of Emmy-nominated "Alone on the Wall"

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Mark Tercek

President and CEO, The Nature Conservancy

Daniela V. Fernandez

Founder of Sustainable Ocean Alliance

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Rick Ridgeway

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

The Last Step: The American Ascent of K2 (Legends and Lore)

Tensie Whelan

Former President of the Rainforest Alliance

Amber Jenkins

Editor of NASA's Global Climate Change Website and Project Manager & Research Consultant for JPL's Center for Climate Sciences

Josh Dorfman

Executive Producer & Host of "The Lazy Environmentalist"

Ed Begley Jr.

Actor & Environmental Activist

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Jeff Orlowski

Filmmaker, Photographer, Entrepreneur; Best Known for the Award-Winning Documentary, "Chasing Ice"

Kate Brandt

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

Frances Beinecke

Former President Natural Resources Defense Council.

Ray Kurzweil

Chairman of Kurzweil Technologies; Inventor; Futurist

Transcend: Nine Steps to Living Well Forever

Joseph Stiglitz

American Economist; Professor at Columbia University; Nobel Memorial Prize in Economic Sciences 2001

Dambisa Moyo

Global Economist; NYT Bestselling Author

Edge of Chaos: Why Democracy Is Failing to Deliver Economic Growth—and How to Fix It

Jasmine Crowe

Founder and CEO at Goodr Co.

This App Delivers Leftover Food To The Hungry, Instead Of To The ...

Mayim Bialik

Neuroscientist & Star of "The Big Bang Theory"

Dr. Dean Ornish

Renowned Health, Diet & Nutrition Expert

Dr. Dean Ornish: Your genes are not your fate

Ed Mazria

Internationally Recognized Architect, Author, Educator & Visionary; Founder & CEO of Architecture 2030

Jeanne Gang

President & Founder of Studio Gang Architects