Ben Caldecott

Founding Director of the Oxford Sustainable Finance Programme & Associate Professor at the University of Oxford

Isabelle Axelsson

Swedish Climate Change Activist & Protester

Luisa Neubauer

German Climate Protection Activist, Author & Member of The Green Youth

Renee Lertzman

Expert on the Intersection of Climate Change & Psychology; Author of "Environmental Melancholia"

Jerome Foster

White House Environmental Justice Advisory Council Member & Executive Director of OneMillionOfUs

Martin Keller

Director of National Renewable Energy Laboratory & President of Alliance for Sustainable Energy

Henry Gordon-Smith

Founder & CEO of Agritecture, Sustainability Consultant & AgTech Advisor

Kelsey Skaggs

Co-Founder of the Climate Defense Project

Sean Yoro

Artist & Climate Change Activist

Michael Curley

Visiting Scholar at Environmental Law Institute

Douglas McCauley

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

Tsechu Dolma

Founder, Mountain Resiliency project

Mark Orlowski

Executive Director and, Founder Sustainable Endowments Institute

Dr. Anthony Leiserowitz, Ph.D.

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

Tzeporah Berman

International Program Director of Stand.earth, Chair at Fossil Fuel Non-Proliferation Treaty & Author of "This Crazy Time: Living Our Environmental Challenge"

Quitting Fossil Fuels with Tzeporah Berman - YouTube

Calum Worthy

Canadian Actor & Environmental Activist

Tensie Whelan

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

Bruno Sánchez-Andrade Nuño

PhD, Data Scientist at World Bank Group, Young Global Leader

Joseph Romm

Author, Blogger, Physicist & Climate Expert

Ramez Naam

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

Ramez Naam - Exponential Innovation | SingularityU Thailand Summit

Tristram Stuart

Environmental Campaigner, Author & Businessman

Ned Gardiner

Visualization Manager, Climate Program Office, National Oceanic and Atmospheric Administration

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Tom Steyer

California Business Leader; Philanthropist and Clean Energy Advocate; Former 2020 Presidential Candidate

David Crane

Strategic Advisor Executive at Pegasus Capital Advisors; Former President & CEO of NRG Energy, Inc.; Climate Advocate

Wang Tao

Resident scholar in the Energy and Climate Program based at the Carnegie-Tsinghua Center for Global Policy

Rick Ridgeway

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

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

Joan Baez

Legendary Folk Musician & Human Rights Activist

Matt Damon

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