Bindi Irwin

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

Dr. Biruté Mary Galdikas

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

M. Sanjayan

Executive Vice President & Senior Scientist at Conservation International

Lucy King

Human-Elephant Coexistence Director

Mark Moffett

Entomologist, Nature Photographer & Author

Nick Wobbrock

Co-Founder of Blue Forest Conservation

Alexis Nikole Nelson

Wild Food Maker at BlackForager; TikTok Sensation

Behati Prinsloo

Actress, Victoria's Secret Angel, Model, Activist & Animal Conservationist

Kristine Tompkins

Environmentalist & President, Tompkins Conservation; Former CEO Patagonia, Inc.

Kristine Tompkins - TED

Dereck Joubert

Wildlife & Documentary Filmmaker

Dr. Enric Sala

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

Ronan Donovan

National Geographic Storytelling Fellow at the National Geographic Society

Quannah Chasinghorse

Indigenous Activist & Model

Willie Smits

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

Deb Haaland

Secretary of the Interior in the Biden Administration

David Mizejewski

National Wildlife Federation Naturalist & Media Personality

Sophie Darlington

BAFTA-Winning Natural History Filmmaker & Cinematographer

January Jones

Actress, Spokesperson for Oceana & Model, Best Known for her Role in "Mad Men"

Sarah Redmond

Organic Seaweed Farmer & Entrepreneur

Gary Paulson

Gary Paulson knows all of the rules of writing, and he is brilliant each time he breaks the rules. He is truly an outdoor adventurer who races in the Iditarod. His life experiences in the wilderness of Canada and Alaska appear on the pages of his books th