Victoria Stilwell

Internationally Renowned Dog Trainer & Host of "It's Me or the Dog"

Tamar Geller

Dog Trainer, New York Times Bestselling Author who developed "The Loved Dog" a revolutionary method of dog training

Ashley Madekwe

Actress & Personal Style Blogger ; Best known for her role on ABC's "Revenge"

Jarod Miller

Naturalist, Zoologist & Television Host

Willie Smits

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

Lo Bosworth

Entrepreneur & Lifestyle Personality, Author, and Alum of MTV’s Reality Show, "The Hills"

Lo Bosworth Reflects On Her Reality TV Past | Bustle

Monty Halls

Broadcaster, Marine Biologist, Travel Writer & Leadership Specialist

Rue Mapp

Award-Winning Founder & CEO of Outdoor Afro

Cristina Zenato

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

Nathaniel Stinnett

Founder & Executive Director of the Environmental Voter Project

Hazen Audel

Adventurer, Biologist & Survival Expert

Primal Survivor | Asli Khatra, Asli Hero

Loretta Swit

Animal Activist & Emmy Award-winning Actress; Best Known for "M*A*S*H"

Denise Herzing

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

Lisa Edelstein

Actress, Director, Writer & Producer

Mary Ellen Hannibal

Journalist & Author of "Citizen Scientist"

Hilary Swank

Academy Award-Winning Actress; Best known for her roles in 'Million Dollar Baby' and 'Boys Don't Cry'

Joe Tessitore

Play-by-Play Commentator, Studio Host

Carrie Ann Inaba

"Dancing with the Stars" Judge, Founder of Carrie Ann Inaba Animal Project

Katie Cleary

Actress and Model; Founder of Peace 4 Animals and World Animal News

Tom Hardy

English Actor Known for "This Means War," "The Dark Knight Rises," "Inception." & "Mad Max"

Sarah McLachlan

Singer-Songwriter & Activist

Dr. Biruté Mary Galdikas

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

Nick Tilsen

Native American Activist, Director of the Thunder Valley CDC

Sy Montgomery

Naturalist, Adventurer & Author of "The Good Good Pig" & "The Soul of an Octopus"

Secrets of the Octopus

Dennis Dimick

Former Executive Environment Editor at National Geographic Magazine

Torrey DeVitto

Actress, Model, Ambassador for NHPCO & Advocate

M. Sanjayan

Executive Vice President & Senior Scientist at Conservation International

Carly Strife

Co-founder and COO at BARK

Mark Moffett

Entomologist, Nature Photographer & Author

Ryan Goodman

Agriculture Advocate, Cattle Farmer & Founder at BeefRunner.com