Lucas Joppa

Senior Managing Director & Chief Sustainability Officer at Haveli Investments; Microsoft’s first Chief Environmental Officer

Data-Driven Sustainability: Can Tech Save Us From Climate Catastrophe?

Scott W. Tinker

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

Quannah Chasinghorse

Indigenous Activist & Model

Quannah ChasingHorse on Representation, Climate Exploitation

Mari Copeny

Youth Activist for Access to Clean Water; Known as "Little Miss Flint"

Tatiana Schlossberg

Award-Winning Journalist, Environmentalist, Author of "Inconspicuous Consumption: The Environmental Impact You Don't Know You Have" & Granddaughter of JFK

Todd Conklin

Senior Advisor for the Los Alamos National Advisory, Human & Organization Performance Consultant

Jason Bordoff

Founding Director, Center on Global Energy Policy, Columbia University

Walter R. Stahel

Architect, Editor of the Risk Management Newsletter of The Geneva Association & Sustainability Advocate

Amin Toufani

CEO of T Labs, Creator of Adaptability.org, Chair for Finance & Economics at Singularity University

Michael Shellenberger

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

Jeff Orlowski-Yang

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

Ron Finley

Grower of a Nourishing Food Culture in South Central L.A.’s Food Desert

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Ayana Elizabeth Johnson

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

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

Sallie Krawcheck

Founder & CEO of Ellevest; Author of "Own It: The Power of Women at Work"

Joel Sartore

National Geographic Photographer & Author

Lynne Twist

Global Activist, Workshop Leader & Author of the Best-Selling book "The Soul of Money: Transforming Your Relationship with Money and Life"

Gary White

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

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Rose George

Author, A Life Removed, The Big Necessity, Ninety Percent of Everything

Christopher Gavigan

Founder & Chief Product Officer, The Honest Company

Philippe Cousteau

Explorer, Social Entrepreneur & Environmental Advocate; Grandson of Captain Jacques-Yves Cousteau

David Suzuki

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

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Elizabeth Economy

C.V. Starr Senior Fellow & Director of Asia Studies at the Council on Foreign Relations

Nikolaj Coster-Waldau

Actor Known for his Role as Jamie Lannister on HBO's "Game of Thrones"

Sylvia Earle

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

Cameron Sinclair

World-Class Visionary; Co-Founder of Architecture for Humanity

Alicia Silverstone

Actress & Animal Rights Activist