Ian Edwards is a stand up comedian and also hosts his own podcast called "Soccer Comic Rant" on iTunes/Stitcher.

Sam Harris is a neuroscientist and author of the New York Times bestsellers, The End of Faith, Letter to a Christian Nation, and The Moral Landscape. His podcast called "Waking Up" is available on iTunes & Stitcher.

Brendan Schaub is a mixed martial artist and also a former college & pro football player. He also hosts a podcast with Bryan Callen called "The Fighter & The Kid" available on iTunes.

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. http://www.maxwellsc.com

Alex Grey is a visionary artist, author, teacher, and Vajrayana practitioner. Alex and Allyson are co-founders of CoSM, Chapel of Sacred Mirrors, and are currently working to build Entheon. http://buildentheon.com

Miesha Tate is a mixed martial artist and is the current UFC Women's Bantamweight Champion. http://podcasts.joerogan.net

Dave Smith is a stand up comedian & host of Part Of The Problem podcast available on iTunes, and he is also one-third of The Legion of Skanks.

John Dudley is a pro archer and host of "Nock On TV." Check out his podcast "Nock On" available on iTunes. https://www.youtube.com/nockonarchery

Michael Shermer is a science writer, historian of science, founder of The Skeptics Society, and Editor in Chief of its magazine Skeptic, which is largely devoted to investigating pseudoscientific and supernatural claims.

Greg Fitzsimmons is a stand-up comedian. He also hosts his own podcast "FitzDog Radio" available on iTunes.

Mark Bell is an elite powerlifter and owner of Team Super Training Gym in Sacramento, CA. Chris Bell is a writer, director, and filmmaker known for the documentary "Bigger, Stronger, Faster" and his new documentary called "Prescription Thug...

Gary Johnson is the Honorary Chairman of the Our America Initiative, two-term Governor of New Mexico, and 2016 Libertarian candidate for President.

Adam Cropp is an Expedition Leader on the National Geographic Orion, from the remote jungles of Papua New Guinea to the frosty frontiers of Antarctica and everywhere in between.

Duncan Trussell is a stand-up comedian, and host of his own podcast “The Duncan Trussell Family Hour”. http://podcasts.joerogan.net http://duncantrussell.com

Mike Baker is a former CIA covert operations officer. Currently he is the president of Diligence LLC, a global intelligence and security firm.