Tensie Whelan

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

Natalie Kyriacou OAM

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

Joan Michelson

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

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Matt Damon

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

Edna Odhiambo

Independent Climate Consultant

Kate Brandt

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

Sylvia Acevedo

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

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

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Gary White

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

Chad Pregracke

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

Riddhima Yadav

Climate Strategist & Sustainability Business Leader

Bill Nussey

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

Pia Heidenmark Cook

Sustainability & Business Transformation Expert; Former CSO of Ingka Group (IKEA)

Michael Liebreich

Chairman & CEO of Liebreich Associates

Xiuhtezcatl Martinez

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

Tom Rand

Entrepreneur, Venture Capitalist & Author

Bruce Usher

Columbia Business School Professor; Former CEO of EcoSecurities Group

Amali Tower

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

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

Sophia Kianni

Climate Activist & Founder of Climate Cardinals

Dr. Sylvia Hood Washington

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

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Chris Turner

Author, Sustainability & Global Cleantech Expert

Andrew Winston

Sustainability Expert; Author of "Green to Gold" & Co-author of “Net Positive"

Dr. Julio Friedmann

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

Neeshad Shafi

Sustainability Futurist, Social Change Advocate & Expert on Climate Policy in the Middle East; Founder of Arab Youth Climate Movement Qatar

Kehkashan Basu

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

Jamie Margolin

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

Robyn O’Brien

TEDx Speaker, Food Industry Advisor, Former Financial Analyst & Author of "The Unhealthy Truth"