Dr. Tierney Thys

Marine Biologist, Educator & Filmmaker

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Andrés Ruzo

Geothermal Scientist & Amazon Conservationist

Hazen Audel

Adventurer, Biologist & Survival Expert

Primal Survivor | Asli Khatra, Asli Hero

Losang Rabgey

Feminist, Social Innovator, Nonprofit Leader & Expert in Ethical Leadership

Doug Allan

Award-Winning Natural History Photographer & Documentary Filmmaker

Kakenya Ntaiya

Kenyan Educator, Feminist & Social Activist

Lucy Cooke

Zoologist, TV Producer & Bestselling Author

Rhian Waller

Associate Professor at University of Maine; Deep-Sea Ecologist

Michael Lombardi

Diving Scientist, Technologist & Environmentalist

Gerlinde Kaltenbrunner

Austrian Mountaineer, Climber & Adventurer

Alexander Geurds

Archaeologist, National Geographic Explorer, Associate Professor at Leiden University & University of Oxford

Joseph McNally

World-Renowned National Geographic Photographer

Zeb Hogan

Ecologist/ Photographer

Ryan Van Duzer

TV Host; Motivational Speaker; Known For His Contributions to The Travel Channel

Maria Fadiman

Nat Geo Explorer, Ethnobotanist, Associate Professor Florida Atlantic University

Shah Selbe

Engineer and Conservation Technologist