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.

Tom Segura is a stand-up comedian, and hosts his own podcast with his wife, Christina Pazsitzky called "Your Mom's House" http://www.yourmomshousepodcast.com

Andrew Hill, PhD, is a lecturer, scientist, explorer, and also the lead neuroscientist at TruBrain.

Dr. Dan Engle, MD is a practicing psychiatrist, board certified in psychiatry and neurology. Aubrey Marcus is writer, entrepreneur, and adventurer. Some of his writings and experiences can be found on his website, WarriorPoet.us, as well a...

Les Stroud is a Canadian musician, filmmaker, and survival expert best known as the creator, writer, producer, director, cameraman and host of the television series Survivorman. New episodes of Surivorman begin airing on The Science Channel...

Joe is joined by Eddie Bravo & Brendan Schaub to watch the fights on April 11, 2015. (Part 2 of 2)

Josh Barnett is an MMA fighter, currently fighting in the UFC Heavyweight division.

Joe is joined by Eddie Bravo & Brendan Schaub to watch the fights on April 11, 2015. (Part 1 of 2)

Jim Norton is a stand-up comedian, radio personality, author, and actor. His latest special "Contextually Inadequate" debuts April 24 on Epix.

Big Jay Oakerson is a stand up comedian and he also hosts his own show "Legion of Skanks Podcast" available on iTunes. http://bigjaycomedy.com

Bryan Callen is an actor and stand-up comedian, and together with Brendan Schaub he also hosts "The Fighter & The Kid" podcast. http://bryancallen.com

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 latest book "Waking Up: A Guide to Spirituality without Religion" is available now.

Joe Schilling is an American Muay Thai kickboxer and MMA fighter who competes in the super middleweight and light heavyweight divisions.

Greg Proops is a stand-up comedian, also well-known for his improv comedy on the show "Whose Line is it Anyway?" He currently hosts his own podcast called "The Smartest Man In The World" and has a new book available in May 2015 called "The...

Corey Knowlton is an international hunting expert, known recently for winning a $350,000 auction to kill a black rhino in Namibia. He is also known for working with hunter Jim Shockey on television shows "The Professionals" and "Uncharted"