Creator	Role
Rich Roll Rich Roll is an author.	Host
Adam Skolnick Adam Skolnick is an activist, veteran adventure journalist, and author.... more	Host
Dr. Michael Greger Dr. Michael Greger is a physician, author, and professional speaker on public he... more	Guest
Dr. Peter Diamandis Dr. Peter Diamandis is a Greek American engineer, physician, and entrepreneur be... more	Guest
Dr. Matthew Walker Dr. Matthew Walker is a scientist and Professor of Neuroscience & Psychology. at... more	Guest
Dr. Philip Goff Dr. Philip Goff is a philosopher of consciousness at Durham Univercity and autho... more	Guest
Arnold Schwarzenegger Arnold Schwarzenegger is a multifaceted public figure, known for his accomplishm... more	Guest
Chase Jarvis Chase Jarvis is an American photographer, director, artist, and entrepreneur. Si... more	Guest
Dr. Will Bulsiewicz Dr. Will Bulsiewicz is a graduate of Georgetown University School of Medicine an... more	Guest
Rich Diviney Rich Diviney is a retired Navy SEAL commander, and author of the book The Attrib... more	Guest
Dr. Susan David Dr. Susan David is a founder & co-director of the Institute of Coaching at McLea... more	Guest
Ari Wallach Ari Wallach is a futurist and social systems strategist. He is the founder and E... more	Guest
Chris Hauth Chris Hauth is a former Olympic swimmer and Ultra Endurance Coach in training.... more	Guest
Lesley Paterson Lesley Paterson is a Scottish triathlete and triathlon coach, who is the 2011, 2... more	Guest
Robin Arzón Robin Arzón is a runner and author of the book Shut Up and Run.	Guest
Doug Evans Doug Evans is the author of The Sprout Book, and the founder of Wonder Valley Ho... more	Guest
Dr. Sanjay Gupta Sanjay Gupta is a neurosurgeon and medical reporter.	Guest
Kevin Roose	Guest
Tim Spector Dr. Tim Spector is an epidemiologist and science writer.	Guest
Amanda Palmer Amanda MacKinnon Gaiman Palmer, sometimes known as Amanda Fucking Palmer (AFP), ... more	Guest