Steven Pinker is a cognitive psychologist, linguist, and popular science author. He is Johnstone Family Professor in the Department of Psychology at Harvard University, and is known for his advocacy of evolutionary psychology and the compu...

Joe is joined by UFC Heavyweight Champion & three-time King of Pancrase world champion, Bas Rutten. www.karate.com

Joe sits down with former UFC Welterweight Champion and current commentator Pat Miletich.

Daniele Bolelli is an Italian author, professor, and martial artist. His podcast called “History on Fire” is available on iTunes, and his most recent book “Not Afraid” is available on Amazon (http://amzn.to/1SYRwpU).

Matthew Walker is Professor of Neuroscience and Psychology at the University of California, Berkeley, and Founder and Director of the Center for Human Sleep Science. Check out his book "Why We Sleep: Unlocking the Power of Sleep and Dreams"...

David Goggins is a retired Navy SEAL and former USAF Tactical Air Control Party member who served in Iraq and Afghanistan. He is an ultramarathon runner, ultra-distance cyclist, triathlete and world record holder for the most pull-ups done...

Todd Glass is a stand-up comedian and also hosts his own podcast called “The Todd Glass Show”. His latest special "Act Happy" is available now on Netflix.

Johann Hari is a writer and journalist. He has written for a number of publications including The Independent (London) and The Huffington Post and has written books on the topic of the war on drugs, the monarchy, and depression, in an acces...

Joe sits down with UFC Lightweight fighter Kevin Lee to discuss his recent fight.

Joe sits down with Yoel Romero to discuss his history as a fighter and wrestler from Cuba, and Joey Diaz joins to assist with translation from Spanish.

John Dudley is a pro archer and host of "Nock On TV." Check out his podcast "Nock On" available on iTunes.

Joe is joined by UFC Lightweight veteran and current Fox Sports analyst, Yves Edwards.

Michael Hunter is the chef and owner of Antler Kitchen in Toronto. http://www.antlerkitchenbar.com/

Brian Redban is a comedian and the founder of the Deathsquad podcast network. http://www.deathsquad.tv/

Cameron Hanes is a bowhunting athlete, “training intensively each and every day to become the Ultimate Predator” and he also has a podcast available on iTunes called Keep Hammering with Cameron Hanes.