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.

Robert Mailloux is an author best known for co-writing *The Bearded Dragon Manual*, alongside Philippe de Vosjoli, Susan Donoghue, Roger Klingenberg, and Jerry Cole. The book, published by CompanionHouse Books, reached at least a third edition (2022) and offers expert advice on keeping and caring for bearded dragons.

Susan Donoghue is an author known for her work on reptile care, having co-authored *The Bearded Dragon Manual* alongside Philippe de Vosjoli, Robert Mailloux, Roger Klingenberg, and Jerry Cole. The book, published by CompanionHouse Books, offers expert advice on keeping and caring for bearded dragons and has gone through at least three editions.

Roger Klingenberg is the author of *Understanding Reptile Parasites: A Basic Manual for Herpetoculturists & Veterinarians* (Advanced Vivarium Systems, 1997) and a co-author of *The Bearded Dragon Manual*, published in multiple editions including a 2nd edition (2016) and 3rd edition (2022) by CompanionHouse Books, alongside Philippe de Vosjoli, Robert Mailloux, Susan Donoghue, and Jerry Cole.