Dr. Tara Stoinski

President, CEO/Chief Scientific Officer of Dian Fossey Gorilla Fund

Amali Tower

Climate Displacement, Migration & Refugee Expert; Founder of Climate Refugees

Q&A: Amali Tower on Climate Migration and 'Evolution Earth'

Lena Samford

Environmentalist & Wellness Advocate

Ryan Goodman

Agriculture Advocate, Cattle Farmer & Founder at BeefRunner.com

Dana Ellis Hunnes

Author of "Recipe For Survival"

Dr. Vernard L. Hodges

Veterinarian & Host, Known for National Geographic's "Critter Fixers: Country Vets"

Sophia Kianni

Climate Activist & Founder of Climate Cardinals

Rue Mapp

Award-Winning Founder & CEO of Outdoor Afro

Kehkashan Basu

Forbes 30 under 30, United Nations Human Rights Champion, National Geographic Young Explorer & Founder-President of Green Hope Foundation

Dr. Nick "Ranger Nick" Fuhrman

Josiah Meigs Professor of Environmental Education & Nature TV Host

Kimi Werner

Freedive-Spearfishing Champion, Certified Chef & Award-Winning Environmentalist

Cristina Zenato

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

Sarah Brosnan

Primatologist; Professor of Psychology, Philosophy & Neuroscience at Georgia State University

Ryan Matthews

U.S. Army Veteran, Dog Trainer, Author

Kody Antle

Social Media Personality

Dr. Rae Wynn-Grant

Conservation Scientist, Large Carnivore Ecologist, Nature Storyteller & Advocate

Wild Life: Finding My Purpose in an Untamed World

Sarah Redmond

Organic Seaweed Farmer & Entrepreneur

Claire Simeone

Marine Mammal Veterinarian, Conservationist & TED Fellow

Pia Heidenmark Cook

Sustainability & Business Transformation Expert; Former CSO of Ingka Group (IKEA)

Brandon McMillan

Animal Trainer Known as the Host of CBS's "Lucky Dog" Series