Matt Damon

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

Kehkashan Basu

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

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

Thimali Kodikara

Climate Storyteller; Host of "Mothers Of Invention" Podcast

Edna Odhiambo

Independent Climate Consultant

Sharona Shnayder

Environmental Activist & Founder of Tuesdays for Trash

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

Catherine Coleman Flowers

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

Catherine Coleman Flowers - Climate Business Innovation Summit

Jamie Margolin

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

Xiuhtezcatl Martinez

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

Dr. Sylvia Hood Washington

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

Kartik Chandran

Environmental Engineer & Professor at Columbia University

Michael Shellenberger

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

Jeff Orlowski-Yang

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

Christiana Figueres

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

Dr. Jonathan Foley

World Leading Climate Scientist & Executive Director of Project Drawdown

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

Gary White

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

James E. Hansen

Adjunct Professor Directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University; Former Director at NASA Goddard Institute for Space Studies

Chad Pregracke

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

Sylvia Earle

Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA

Natalie Kyriacou OAM

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

Daphne Frias

Climate Change, Disability & Environmental Activist

Dana Ellis Hunnes

Author of "Recipe For Survival"

Cynthia Giles

Guest Fellow at the Environmental & Energy Law Program at Harvard Law School

Ed Gillespie

Environmental Entrepreneur, Futurist & Author of "Only Planet"

Tim Flannery

Environmentalist, Explorer & Author

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Sheila Watt-Cloutier

Environmental, Cultural & Human Rights Advocate, Former Canadian President of the Inuit Circumpolar Council