Ron Sims

Former Deputy Secretary for the US Department of Housing and Urban Development

Dr. Sylvia Washington

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

Sallie Krawcheck

Founder & CEO of Ellevest

Van Jones

CNN Contributor; Best-Selling Author; Human Rights, Education and Clean Energy Advocate

Emmanuelle Chriqui

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

Fabien Cousteau

Deep Ocean Explorer and Environmentally-Conscious Business Strategist

Ed Begley Jr.

Actor / Environmental Activist

Jennifer Ackerman

Award Winning Author and Writer, Known for Her New Book, "The Genius of Birds"

Chance in the House of Fate: A Natural History of Heredity

Alexandra Cousteau

Environmental Advocate & Water Policy Expert

Alanis Morissette

Canadian Musician

David Lang

Cofounder, OpenROV

Democratizing science

Jonathan Baillie

Chief Scientist & Senior Vice President of Science & Exploration, National Geographic Society.

Democratizing science

Valerie Casey

Valerie Casey is a globally recognized designer and innovator.

Laura Stachel

Co-Founder, WE CARE Solar

Sylvia Earle

Oceanographer, National Geographic Explorer-In-Residence, 2009 TED Prize Winner

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

Dr. Reese Halter

Conservation Biologist & TV Host

Walter Isaacson

President and CEO of the Aspen Institute

Scott Tong

Correspondent, Sustainability Desk, Marketplace

Nicola Sturgeon

First Minister of Scotland