Michael Shellenberger

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

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

Matt Damon

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

Tensie Whelan

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

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Chad Pregracke

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

Kehkashan Basu

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

Dr. Sylvia Hood Washington

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

Natalie Kyriacou OAM

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

Edna Odhiambo

Independent Climate Consultant

Amali Tower

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

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

Catherine Coleman Flowers

Climate Justice Activist; Founding Director of the Center for Rural Enterprise and Environmental Justice

Catherine Coleman Flowers - Climate Business Innovation Summit

Jasmine Crowe-Houston

Founder & CEO at Goodr Co.

Kate Brandt

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

Xiuhtezcatl Martinez

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

Mark Tercek

Former President & CEO of The Nature Conservancy

Gary White

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

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

John Passacantando

Former Executive Director of Greenpeace USA

Dr. Julio Friedmann

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

Joan Michelson

Co-Host of the Electric Ladies Podcast, ESG Consultant, Business Sustainability & Leadership Expert

Bernadette Beck

Founder & CEO of Kindle Coffee & 1 for 1 Foundation; Actress & Journalist Known for "Riverdale"

Bill Nussey

Founder of the Freeing Energy Project; Partner at Tech Square Ventures & Engage

Jamie Margolin

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

Jeff Orlowski-Yang

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

Tom Rand

Entrepreneur, Venture Capitalist & Author

Ayana Elizabeth Johnson

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

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

Rick Ridgeway

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

Mark Z. Jacobson

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

Jason Clay

Senior Vice President of Food & Markets at WWF