MOST SIMILAR 200 SPEAKER RESULTS
David Doubilet
National Geographic Photographer & Founding Member of the International League of Conservation Photographers
Rick Ridgeway
Environmentalist, Mountaineer, Expedition Author, Former VP of Environmental Initiatives & Special Projects at Patagonia
Brian Skerry
National Geographic Magazine Photographer, Specializing in Marine Wildlife & the Underwater World; Exploration & Conservation Speaker
Sebastian Copeland
Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation
Doug Fine
Globe-Trotting Journalist, Award-Winning Climate Correspondent, Goat-Herder & Author
Robert Ballard
Renowned Ocean Explorer & Scientist
Annie Griffiths
Award-Winning Photographer for National Geographic
Matt Damon
Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis
Louie Psihoyos
Photographer & Documentary Film Director Known for the Academy Award-Winning Documentary "The Cove"
Doc Hendley
Global Humanitarian, Clean Water Crusader, Top 10 CNN Hero, Sustainability Advocate
Bjorn Lomborg
Political Scientist & Author of "The Skeptical Environmentalist"
Jason Clay
Senior Vice President of Food & Markets at WWF
Michael Nichols
Journalist, Photographer & Founder of the LOOK3 Festival of the Photograph
Alexandra Cousteau
Environmental Activist, Storyteller & Ocean Advocate
Mary Ellen Hannibal
Journalist & Author of "Citizen Scientist"
David Suzuki
Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation
Joel Sartore
National Geographic Photographer & Author
Dr. Michio Kaku
World-Renowned Futurist & Theoretical Physicist
Sylvia Earle
Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA
Dereck Joubert
Wildlife & Documentary Filmmaker
