Robert Irwin

Wildlife & Nature Conservationist, Photographer, Author, and TV Personality; Son of Steve Irwin, Owner of Australia Zoo

Robert Irwin Reveals His Most Feared Animal! | The Cheap Seats

Liz Bonnin

Award-Winning Science Expert & Broadcaster; Known for "Blue Planet Live" and "Drowning in Plastic"

Brian Skerry

National Geographic Magazine Photographer, Specializing in Marine Wildlife & the Underwater World; Exploration & Conservation Speaker

Tundi Agardy

Marine Conservationist & Founder of "Sound Seas," Research and Policy Project to Help Protect the Oceans and Ocean Life

Aldo Kane

World Record Setting Adventurer; Fellow at the Royal Geographic Society, Author & TV Presenter

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Nalini Nadkarni

Ecologist, Director of STEM Ambassador Program & Leading Expert in Canopy Research

Bindi Irwin

Wildlife Conservationist & Daughter of Steve Irwin; Season 21 Contestant on "Dancing With the Stars"

Denise Herzing

Research Director & Founder of the Wild Dolphin Project; Author of "Dolphin Diaries"

Monty Halls

Broadcaster, Marine Biologist, Travel Writer & Leadership Specialist

Andrés Ruzo

Geothermal Scientist & Amazon Conservationist

Lorna Davis

Business Leader, Coach & Wildlife Conservation Activist

Cristina Mittermeier

Photographer, Adventurer & Co-Founder of SeaLegacy

Annie Griffiths

Award-Winning Photographer for National Geographic

Ken Banks

Founder of kiwanja.net

Cristina Zenato

World-Renowned Shark Diver, Explorer & Conservationist; Founder of People of the Water

Willie Smits

Trained Forester, Microbiologist, Conservationist, Animal Rights Activist, Wilderness Engineer & Social Entrepreneur

Mary Ellen Hannibal

Journalist & Author of "Citizen Scientist"

Dr. Biruté Mary Galdikas

Award-Winning Conservationist, Author & Founder of the Orangutan Foundation International

Heidi Cullen

Communications Director for Monterrey Bay Aquarium Research Institute; Climate Scientist