Ski Chilton

Lysa TerKeurst is an American speaker and author of Christian non-fiction.

Bessel van der Kolk is a Boston-based Dutch-American psychiatrist, author, researcher and educator.

Jason Fung (born 1973) is a Canadian nephrologist and low-carbohydrate diet advocate who promotes intermittent and extended fasting. He earned his medical degree from the University of Toronto and completed his residency and fellowship in nephrology. He has applied fasting protocols with more than 1,000 patients and co-authored *The Complete Guide to Fasting* with Jimmy Moore.

Matthew Walker is a British author, scientist and professor of neuroscience and psychology at the University of California, Berkeley..

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