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

Pattie Gonia

Queer Environmentalist; Drag Queen Building Community for Queer People, Allies & the Planet

Colette Pichon Battle

Founder of the Gulf Coast Center for Law & Policy; Works to Dismantle Structural Racism Exacerbated by Climate Change

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

Melinda Briana Epler

Founder & CEO of Change Catalyst (now Empovia); Thought Leader on Diversity and Inclusion in Tech

Sylvia Acevedo

Engineer, Rocket Scientist & Technology Leader; Inspirational Speaker; Corporate Director at Qualcomm; Former CEO of Girl Scouts USA

Jason Bordoff

Founding Director, Center on Global Energy Policy, Columbia 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

Ramez Naam

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

Ramez Naam - Exponential Innovation | SingularityU Thailand Summit

Barbara Boxer

Former Democratic Senator of California

Sean Astin

Actor, Director, Voice Artist & Producer Known For "Lord of the Rings"

Joel Sartore

National Geographic Photographer & Author

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Amy Myers Jaffe

Leading Expert on Global Energy Policy & Sustainability

Danny Glover

Acclaimed Actor, Producer & Leading Social Activist

Robert Ballard

Renowned Ocean Explorer & Scientist

David Suzuki

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