Lex Fridman is a research scientist at MIT working on human-centered artificial intelligence and autonomous vehicles.

Joe is joined by UFC Light Heavyweight fighter Khalil Rountree Jr.

Eddie Izzard is a British stand-up comedian, actor, writer and political activist. He's currently on a world tour with his show "WUNDERBAR" and can be seen in the US this summer.

C.T. Fletcher is an ex-powerlifter, actor, video-blogger, and owner of Iron Addict Gym. He is a 3-Time World Bench Press Champion and 3-Time World Strict Curl Champion. http://ctfletcher.com

Joe List is a stand up comedian. He co-hosts a podcast called "Tuesdays w/Stories" with Mark Normand. You can also see him on "The Standups" Season 2 now streaming on Netflix.

Anthony Jeselnik is a comedian, writer, actor, and producer. His new special "Anthony Jeselnik: Fire in the Maternity Ward" will be available streaming on Netflix on April 30.

Tulsi Gabbard is a 2020 Presidential Candidate of the Democratic Party and is currently serving as the U.S. Representative for Hawaii’s 2nd congressional district since 2013. https://www.tulsi2020.com/

Jon Reep is an American stand-up comedian and actor. Check out his podcast "Fried with Jon Reep" available on Apple Podcasts and Soundcloud.

Bryan Callen is an actor and stand-up comedian, and together with Brendan Schaub he also hosts “The Fighter & The Kid” podcast. His new stand up special “Complicated Apes” is now available to download on iTunes, Amazon, and various other pl...

Jamie Metzl is a technology futurist and geopolitical expert, novelist, entrepreneur, media commentator, and Senior Fellow of the Atlantic Council. His new book "Hacking Darwin" is available now at Barnes & Noble and Amazon. https://hacking...

Phil Demers is a former professional marine mammal trainer and employee at Marineland in Canada. http://savesmooshi.com

Joe is joined by UFC Light Heavyweight fighter Corey Anderson.

Duncan Trussell is a stand-up comedian, and host of his own podcast “The Duncan Trussell Family Hour”.

Joe is joined by UFC Bantamweight fighter Aljamain Sterling.

Bob Lazar is a physicist who worked at Los Alamos National Laboratory in New Mexico, and also on reverse engineering extraterrestrial technology at a site called S-4 near the Area 51 Groom Lake operating location. Jeremy Corbell is a contem...