Steven Callahan

Steven Callahan is probably best known for his book "Adrift: Seventy Six Days Lost at Sea", based on his own survival voyage.

Rick Ridgeway

Environmentalist, Mountaineer, Expedition Author, Former VP of Environmental Initiatives & Special Projects at Patagonia

Daniel Pauly

Daniel Pauly is the principal investigator at the Sea Around Us Project, which studies the impact of the world's fisheries on marine ecosystems. The software he's helped develop is used around the world to model and track the ocean.

Mark Gordon

Pioneer in Deep-Ocean Exploration; Director, President & COO of Odyssey Marine Exploration

Carl Pope

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

Patrick Meier

Founder of Climate Robotics Network; Creator of the Concept of Crisis Mapping

Patrick Meier | TEDxMombasa - Robots vs. Climate Crisis

Mark Z. Jacobson

Director of the Atmosphere/Energy Program & Professor of Civil and Environmental Engineering at Stanford University

Dr. Enric Sala

Marine Ecologist & Explorer-In-Residence at National Geographic Society

Rob Dunbar

Rob Dunbar looks deeply at ancient corals and sediments to study how the climate and the oceans have shifted over the past 50 to 12,000 years.

Thomas Thwaites

Thomas Thwaites is a designer \"of a more speculative sort,\" he says.

Spencer Wells

Geneticist, Anthropologist, Author, Entrepreneur, Adjunct professor at the University of Texas at Austin

Reese Halter

Forest & Ocean Defender

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Mark Lynas

Environmental Writer; Author of "Our Final Warning: Six Degrees of Climate Emergency"

Louie Schwartzberg

Award-Winning Cinematographer, Director, Photographer and Filmmaker

Graham Hill

Founder of Life Edited & TreeHugger.com

Patrick Hickey

First Nurse to Climb Seven Summits of the World

Cameron Sinclair

World-Class Visionary; Co-Founder of Architecture for Humanity

Christopher Gavigan

Founder & Chief Product Officer, The Honest Company

David de Rothschild

Environmentalist, Adventurer & Founder of Sculpt the Future Foundation

Philippe Cousteau

Explorer, Social Entrepreneur & Environmental Advocate; Grandson of Captain Jacques-Yves Cousteau

Sebastian Copeland

Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation

Shaun Tomson

Former World Champion Surfer, Environmentalist & Motivational Speaker

Robert Ballard

Renowned Ocean Explorer & Scientist

John Sununu

Former Republican (GOP) United States Senator from New Hampshire

Alex Steffen

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

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Wes Jackson

Founder and Former President of The Land Institute

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

Bill Drayton

Social Entrepreneur, Founder & C.E.O of Ashoka. Leading an Everyone a Changemaker world movement.