Michael Herschel Greger is an American physician, author, and speaker on public health issues best known for his advocacy of a whole-food, plant-based diet, and his opposition to animal-derived food products.

Gene Stone is an American writer and editor known for his books on animal rights and plant-based food..

Timothy Ferriss is an American entrepreneur, investor, author, podcaster, and lifestyle guru.

Pam Johnson-Bennett is the author of seven award-winning books on cat behavior and training. She is the founder and chair of the International Association of Animal Behavior Consultants' Cat Division and is recognized as a pioneer in feline behavior consulting. She has appeared in the Animal Planet UK series and lives in Nashville, Tennessee.

Arden Moore is the author of more than two dozen books on cats and dogs, including A Kid's Guide to Cats, A Kid's Guide to Dogs, The Cat Behavior Answer Book, The Dog Behavior Answer Book, and Real Food for Dogs. She is the founder of Four Legged Life and Pet First Aid 4U, and hosts the Oh Behave show on Pet Life Radio. Her books A Kid's Guide to Dogs and A Kid's Guide to Cats earned top writing awards.

Shalane Flanagan is an Olympic silver medalist, four-time Olympian, winner of the 2017 TCS New York City Marathon, and multiple American record holder. She is the co-author of the New York Times bestselling cookbook Run Fast. Eat Slow., created alongside chef Elyse Kopecky, as well as its follow-up, Run Fast. Cook Fast. Eat Slow. — both focused on nourishing, whole-foods recipes for athletes.