Mari Copeny

Youth Activist for Access to Clean Water; Known as "Little Miss Flint"

Tom Rand

Entrepreneur, Venture Capitalist & Author

Annabelle Gurwitch

Actress & Humorist

Amalaonye Josephine Kachikwu

CEO of GIA Media Services, Greatness Coach & Brand Strategist; Award-Winning Author of "Ultimate Journey to Greatness"

Jonathan Trent

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

Vanessa Nakate

Ugandan Climate Justice Activist; Founder of Youth for Future Africa

Leah Thomas

Intersectional Environmentalist

Tristram Stuart

Environmental Campaigner, Author & Businessman

Wanjira Mathai

Managing Director of Africa & Global Partnerships the the World Resources Institute; Sustainability & Youth Leadership Activist

George Monbiot

Investigative Journalist, Known for his Environmental & Political Activism

Bjorn Lomborg

Political Scientist & Author of "The Skeptical Environmentalist"

Peter Gleick

Co-founder & President of the Pacific Institute for Studies in Development, Environment & Security

The Three Ages of Water

Oscar Arias

Former President of Costa Rica & Nobel Laureate

Bandi Mbubi

Founder, CongoCalling - Director of MannaCentre - Trustee at ChurchPoverty - working for Peace, Justice, and Prosperity in the UK, the Congo and around the world

James Duke Mason

Co-Chair of the West Hollywood Lesbian & Gay Advisory Board; PR Specialist at Mercy For Animals

George Elvin

Green Innovation Speaker & Author

Kathy Varol

Purpose Strategy Expert & Former Head of Global Purpose Strategy at Adidas

Drive Profit With Purpose. Become Remarkable.

Elizabeth Economy

C.V. Starr Senior Fellow & Director of Asia Studies at the Council on Foreign Relations

Jean Rogers

Senior Managing Director & Global Head of ESG at Blackstone; Founder & Former CEO of SASB

Vandana Shiva

World-Renowned Environmental Leader

Jonathan Merritt

Award-Winning Faith & Culture Writer

Laurie David

Producer, Activist Author,The Family Dinner: Great Ways To Connect With Your Kids One Meal At A Time

Emmanuelle Chriqui

Actress Known for "Entourage;" Social Advocate for Colon Cancer, Environmental Issues & Human Rights in Congo

Lena Samford

Environmentalist & Wellness Advocate

Julia Collins

Founder & CEO of Planet FWD; Co-Founder of Zume Pizza

Calvin Mackie

Inspirational Entrepreneur & Mentor

Robert Kenner

Documentary Filmmaker; Known for "Food, Inc."

Douglas McCauley

Professor at UC Santa Barbara, Adjunct Professor at UC Berkeley & Director Benioff Ocean Science Laboratory

Alex Steffen

Author of "Carbon Zero: Imagining Cities That Can Save the Planet"

Louie Schwartzberg

Award-Winning Cinematographer, Director, Photographer and Filmmaker