Alex Epstein

Founder, Center for Industrial Progress Author, Fossil Fuels Improve the Planet

Daniel James Brown

New York Times Bestselling Author of "The Boys in the Boat"

Ric O'Barry

Wildlife Activist, Author & Founder of the Dolphin Project; Star of the Academy Award-Winning Documentary "The Cove"

Louie Psihoyos

Photographer & Documentary Film Director Known for the Academy Award-Winning Documentary "The Cove"

Ruby Wax

Comedian & Mental Health Activist

Celine Cousteau

Environmental Activist, Storyteller & Author

Céline Cousteau's Speaker Reel

Roshi Joan Halifax

American Zen Buddhist Teacher

Mildred Muhammad

Certified Consultant with the US Dept. of Justice Office for Victims of Crime; Domestic Abuse Survivor & Activist; Bestselling Author

Andre Norman

Change Agent, Activist & Founder of Project Footprints

Jennifer Bradley

Founding Director of the Center for Urban Innovation at the Aspen Institute

Alex Debelov

CEO of Go X, Electric Scooter Sharing; Co-Founder of Virool, A Self-Serve, Social Video Advertising Platform

David de Rothschild

Environmentalist, Adventurer & Founder of Sculpt the Future Foundation

Jonathan Trent

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

Teddy Cruz

Architect & Urbanist; Focuses on Cultural Production, Urban Policy & Civic Infrastructure

Paul Deegan

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

Angélique Kidjo

UNICEF Goodwill Ambassador, Singer & Songwriter

Gideon Yu

Currently Co-Owner of the San Francisco 49ers. Formerly President of the SF 49'ers & Former CFO of Facebook and YouTube

Shaka Senghor

Author, Criminal Justice Reform Activist & Head of Diversity, Equality & Inclusion at TripActions

Reverend Al Sharpton

Baptist Minister, Political, Civil Rights & Social Justice Activist

Rowan Blanchard

Disney Channel Star Known for "Girl Meets World" & "Spy Kids: All the Time in the World"