Daniel Kraft, M.D.

Physician-Scientist; Founder of Exponential Medicine; Chair for Medicine & Neuroscience at Singularity University

Temple Grandin

World-Famous Animal Scientist, Autism Self-Advocate & Author of "Thinking in Pictures: My Life With Autism"

TEMPLE GRANDIN on the Three Kinds of Kids

Montel Williams

Emmy Award-Winning Talk Show Host; Multiple Sclerosis Survivor; Health Equity & Veteran Advocate

David Agus

Co-Founder of Navigenics, Author of "The End of Illness" & Host of "The Checkup with Dr. David Agus"; Professor of Medicine & Engineering at the University of Southern California

The Book of Animal Secrets

Sophia Bush

Actress, Humanitarian & Author

Ian Somerhalder

Actor Known for "The Vampire Diaries"; Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation

John Mackey

Co-Founder & CEO, Whole Foods Market

Jenna Marbles

YouTube Sensation

Kevin Bacon

Actor, Musician, Founder of Sixdegrees.org

Mark Bittman

Former NYT Writer; Author of "How to Cook Everything" Series; Host of "Food with Mark Bittman"

John Oliver

Emmy-Winning Comedian, Best Known for "The Daily Show with Jon Stewart" & "Last Week Tonight"

Jack Hanna

Naturalist, Adventurer & Director Emeritus of the Columbus Zoo

Alicia Silverstone

Actress & Animal Rights Activist

Melissa Rivers

Actress, Television Host & Producer, Equestrienne, and Philanthropist; Daughter of Late Comedian Joan Rivers

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"

Cesar Millan

Host of The Dog Whisperer; Author of Cesar's Way

Shawn Johnson East

Olympic Gold Medalist in Gymnastics, "Dancing with the Stars" Winner & Best-Selling Author

Lo Bosworth

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

Spike Mendelsohn

Chef, Restaurateur & Food Equity Activist

Kathy Najimy

Award-Winning Actress & Activist