Jonathan Trent

Former Director of Offshore Membrane Enclosures for Growing Algae; Founder of UpCycle Systems

Vanessa Nakate

Ugandan Climate Justice Activist; Founder of Youth for Future Africa

Edward C. Chow

Senior Associate at the Center for Strategic and International Studies, Energy Security and Climate Change Program

Wanjira Mathai

Managing Director of Africa & Global Partnerships the the World Resources Institute; Sustainability & Youth Leadership Activist

Ray Mabus

Former U.S. Secretary of the Navy; Former Governor of Mississippi

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Erik Kobayashi-Solomon

Specialist in Climate Change Investing, Corporate Valuation, Financial Options & Behavioral Biases in Investing, Published Author & Former Morningstar Market Strategist

Tim Jackson

Ecological Economist, Playwright & Director of the Centre for the Understanding of Sustainable Prosperity

Ron Pernick

Co-Founder & Managing Director of Clean Edge, Inc.

Dr. Jill Stein

Physician, Environmental Activist & Politician; 2016 Green Party Presidential Nominee

Anoka Primrose Abeyrathne

Social Entrepreneur, Environmental Activist, and Co-founder of Growin’ Money

Sri Lankan Gamechangers: Environmentalist Anoka Abeyrathne

Martin Eberhard

Founder, Original Chairman and CEO of Tesla

Elizabeth Economy

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

Khalida Brohi

Indigenous Entrepreneur, Author, Storyteller & Women's Empowerment Speaker

Darren Aronofsky

Filmmaker & Director Known for "Black Swan" & "The Wrestler"

Yifat Susskind

Executive Director at MADRE; Working With Women & Girls Worldwide for Peace, Justice, and Sustainability

Julia Collins

Founder & CEO of Planet FWD; Co-Founder of Zume Pizza

Donald Sadoway

John F. Elliott Professor of Materials Chemistry at MIT; Expert on Electrochemistry & Renewable Energy

Ambri: A Battery that Could Change the World

Douglas McCauley

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

Amber Jenkins

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