Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist

Annabelle Gurwitch

Actress & Humorist

Carl Pope

Senior Advisor to UN Envoy for Cities and Climate; Former CEO and Chairman of the Sierra Club

David Crane

Strategic Advisor Executive at Pegasus Capital Advisors; Former President & CEO of NRG Energy, Inc.; Climate Advocate

Shahram Chubin

Nonresident senior associate in the Carnegie Nuclear Policy Program. Based in Geneva, Chubin’s research focuses on nonproliferation, terrorism, and Middle East security issues.

Calvin Mackie

Inspirational Entrepreneur & Mentor

David de Rothschild

Environmentalist, Adventurer & Founder of Sculpt the Future Foundation

Richard Rhodes

We Were Just Focused on How to Survive

Laurie David

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

Naomi Oreskes

Geologist & Earth Science Historian

Joel Sartore

National Geographic Photographer & Author

Emmanuelle Chriqui

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

Deborah Gordon

Ecologist

John Replogle

CEO of Seventh Generation; Sustainable Leadership Visionary; Former President & CEO of Burt's Bees

Teresa Palmer

Actress, Writer & Model

Carl Safina

Ecologist & Writer

Paul Gilding

Independent Writer and Advisor on a Sustainable Economy

Mark Tercek

Former President & CEO of The Nature Conservancy

Pavan Sukhdev

President, WWF International; Environmental Economist

Peter Fusaro

Chairman & Founder, Global Change Associates

Ambassador Munir Akram

Former Permanent Representative to the UN from Pakistan

David Burwell

Director of the Energy and Climate Program at the Carnegie Endowment

Reese Halter

Forest & Ocean Defender

Jonathan Trent

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

P. Simran Sethi

Award-Winning Journalist and Sustainability Expert

Lisa Margonelli

Director, New America Foundation Energy Policy Initiative

Andy Acho

Environmental Initiatives Expert and Former Worldwide Director of Environmental Outreach and Strategy, Ford Motor Company

Ric O'Barry

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

Celine Cousteau

Environmental Activist, Storyteller & Author

Céline Cousteau's Speaker Reel

Paul Dickinson

Sustainability Expert & Executive Chairman of The Carbon Disclosure Project