Geisha Williams

Former CEO & President at PG&E Corporation; Member Board Of Directors at Siemens Energy, Artera Services & Osmose Utility Services

Juliet Schor

Professor of Sociology at Boston College

Dylan Ratigan

New York Times Best-Selling Author, Sustainability Entrepreneur & the Former Host of MSNBC’s "The Dylan Ratigan Show"

Laura Fitton

Founder & Climate Economy Evangelist at Enough.co; HubSpot, Founder of oneforty.com; co-author Twitter for Dummies

Caleb Harper

Executive Director of the Dairy Scale for Good Initiative

Net Zero Carbon Emissions Implementation on the Farm with Caleb Harper

Paul Deegan

Motivational and Leadership Expert, Everest Mountaineer and Award-Winning Author

Sy Montgomery

Naturalist, Adventurer & Author of "The Good Good Pig" & "The Soul of an Octopus"

Secrets of the Octopus

Jamie Durie

Host of HGTV's "The Outdoor Room"; Award-Winning Designer, Author, Host & Environmentalist

Alan Weisman

Journalist / Author

Stephen Walt

Robert and Renee Belfer Professor of International Affairs at Harvard University

Stephen M. Walt | Realism & Balance of Threat | GREAT MINDS

Teresa Palmer

Actress, Writer & Model

Heidi Cullen

Communications Director for Monterrey Bay Aquarium Research Institute; Climate Scientist

Sendhil Mullainathan

Roman Family University Professor of Computation and Behavioral Science at Chicago Booth & Founder of ideas42

Andy Serwer

Managing Editor, Fortune Magazine

Rebecca Solnit

Writer, Historian & Activist

Miles O'Brien

Veteran Space, Aviation, Science and Technology Journalist & Filmmaker

M. Sanjayan

Executive Vice President & Senior Scientist at Conservation International

Lucy King

Human-Elephant Coexistence Director

Peter Haas

Associate Director of the Brown University Humanity Centered Robotics Initiative

Jason Brown

Former NFL Player, Farmer & Founder of First Fruits Farm