Ellen DeGeneres

Award-Winning Comedian, TV Host, Actress & LGBTQ Activist

Ed Begley Jr.

Environmental Activist & Emmy Award-Nominated Actor

Laura Dern

Actress, Director, Producer & Activist

Daniel Pauly

Daniel Pauly is the principal investigator at the Sea Around Us Project, which studies the impact of the world's fisheries on marine ecosystems. The software he's helped develop is used around the world to model and track the ocean.

Brad Pitt

Actor, Producer, Philanthropist & Environmental Activist

Kristen Bell

Actress & Film Producer; Known for "Veronica Mars" & "Frozen"

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

Charlize Theron

Academy Award-Winning Actress; Best Known for "Monster" & "Mad Max: Fury Road"

Michael Archer

Paleontologist Michael Archer is working to bring back his favorite extinct animal: the Tasmanian tiger.

Edie Falco

Actress, Known for "The Sopranos" & "Nurse Jackie"

Elayne Boosler

Comedian & Advocate for Animal Rescue; Founder of Tails of Joy

Carrie Ann Inaba

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

Lucy King

Human-Elephant Coexistence Director

Behati Prinsloo

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

Danielle Lee

Research Biologist, Blogger & Outreach Scientist

Blair Braverman

Dogsledder, Adventurer, Author of "Small Game," "Dogs on the Trail" & "Welcome to the Goddamn Ice Cube"

Welcome to the Goddamn Ice Cube: Chasing Fear and Finding Home in the Great White North

Celine Halioua

Founder & CEO of Loyal

Celine Halioua - Finding Genius

Terri Irwin

Naturalist, Author & Owner of Australia Zoo; Former Star of "The Crocodile Hunter"

Brian Hare

Co-founder of Dognition & Associate Professor of Evolutionary Anthropology at Duke University, Author of "The Genius of Dogs"

David Duchovny

Actor, Writer & Director Known for "The X-Files," "Aquarius" & "Californication"