Kate Brandt

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

Tom Steyer

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

Vanessa Nakate

Ugandan Climate Justice Activist; Founder of Youth for Future Africa

Jamie Margolin

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

Henry Gordon-Smith

Founder & CEO of Agritecture, Sustainability Consultant & AgTech Advisor

DeAndrea Salvador

North Carolina State Senator; Energy & Sustainability Advocate

Michael Curley

Visiting Scholar at Environmental Law Institute

Kartik Chandran

Environmental Engineer & Professor at Columbia University

Tyson Jerry

World Record Holder for Distance on Alternative Fuel; Specialist in Alternative Fuel & Transportation; Photographer

Tensie Whelan

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

Jan Schlichtmann

Environmental Lawyer & Author, Subject of the Film "A Civil Action"

Daphne Frias

Climate Change, Disability & Environmental Activist

Marcelo Mena Carrasco

Former Environment Minister of Chile

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Karen Abercrombie

Actress, Producer, Writer & Environmentalist

Jennifer Ackerman

Award-Winning Author & Writer

Sivan Ya'ari

Founder and CEO, Innovation Africa

Andrew Hoffman

Holcim (US) Professor of Sustainable Enterprise at the University of Michigan

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

Tristram Stuart

Environmental Campaigner, Author & Businessman

Michael Lombardi

Diving Scientist, Technologist & Environmentalist

Leilani Munter

Professional Race Car Driver & Environmental Activist

Harvey Wasserman

Journalist, Author, Democracy Activist & Advocate for Renewable Energy

Dyan deNapoli

Penguin Expert, TED Speaker & Award-Winning Author of "The Great Penguin Rescue"

George Elvin

Green Innovation Speaker & Author

Chris Turner

Author, Sustainability & Global Cleantech Expert

Chad Pregracke

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

Maria Korsnick

President & Chief Executive Officer at Nuclear Energy Institute

Paul Wheaton

Permaculture Advocate

Natalie Kyriacou OAM

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