Dr. Rhonda Patrick is a Ph.D in biomedical science and expert on nutritional health. Her podcasts and other videos can be found at FoundMyFitness.com http://www.youtube.com/user/FoundMyFitness

TJ Dillashaw is a mixed martial arts fighter and currently the UFC Bantamweight Champion. Duane Ludwig is a former mixed martial arts fighter and currently is the head coach of Team Alpha Male.

Joel Salatin is an American farmer, lecturer, and author whose books include "Folks, This Ain't Normal" "You Can Farm" and "Salad Bar Beef"

Randall Carlson is a master builder and architectural designer, teacher, geometrician, geomythologist, geological explorer and renegade scholar.

Brendan Schaub is a mixed martial artist and also a former college & pro football player. Bryan Callen is an actor and stand-up comedian. Together with Brendan Schaub hosts "The Fighter & The Kid" podcast.

Liam & Dylan Resnekov run VT1 Academy in Austrailia. Liam is a black belt in Gracie Jiu Jitsu and Dylan is the 2009 World Muay Thai Champion.

Rob MacCachren is an American off-road racer. He raced the Mickey Thompson Stadium Series early in his career and went on to win championships in Championship Off-Road Racing, SCORE International, SODA, and Best in the Desert. Bud Brutsman...

Andreas Antonopoulos is a bitcoin entrepreneur, he also serves on the advisory boards of several bitcoin startups and serves as the Chief Security Officer of Blockchain.

Amy Schumer is a stand-up comedian, actress, and writer. She currently stars on "Inside Amy Schumer" on Comedy Central.

Aubrey Marcus is writer, entrepreneur, and adventurer. Some of his writings and experiences can be found on his website, WarriorPoet.us, as well as links to his latest venture, Onnit Labs.

Steve Maxwell is an American fitness coach, physical educator, and Brazilian Jiu-Jitsu instructor. He was named one of the top 100 trainers in the USA by Men's Journal.

Nick Cutter is a Canadian author of short stories and novels, who has published work under both his own name, Craig Davidson, and another pen name Patrick Lestewka.

Alexis Ohanian is an internet entrepreneur, activist and investor, best known for co-founding the social news website reddit, helping launch travel search website Hipmunk, and starting social enterprise Breadpig. He also is the author of be...

Mark Kendall is a pool player and lead guitarist, best known for being the founding member hard rock band Great White.