Action Bronson is a musician, chef, painter, and author. His book, "F*ck It, I'll Start Tomorrow: A True Story", is available now.

Marcus Luttrell is a retired Navy SEAL and recipient of the Navy Cross and Purple Heart. He is the author of "Lone Survivor", the basis for the 2013 film, and host of the Team Never Quit podcast.

Ali Macofsky is a standup comedian and host of the Resting Bitch podcast.

Doug Stanhope is a standup comedian, author, and host of the Doug Stanhope Podcast. Check out his latest audiobook No Encore for the Donkey, available now as an Audible Original.

Lara Beitz is a standup comic known for her appearances on Comedy Central's "Lights Out with David Spade", Showtimes' "The Comedy Store" mini-series, and stages around the United States.

Brian Greene is a professor of physics and mathematics at Columbia University, and the author of several books. His latest, "Until the End of Time", is now available in paperback.

Tom Segura is a stand-up comedian, and co-host of "Your Mom's House" and "2 Bears, 1 Cave" podcasts. He is also the host of "Tom Segura en Español" a Spanish language podcast.

Shanna Swan is an environmental epidemiologist whose work examines the impact of chemical exposure on reproductive health and child development. Her book, "Count Down", is available now.

Joe is joined by UFC Hall of Famer and actor Georges St-Pierre.

Eric Weinstein is a mathematician, economist, managing director at Thiel Capital, and host of "The Portal" podcast.

Dave Chappelle is a comedian, actor, writer, and producer. He is the recipient of multiple honors, among them the Mark Twain Prize for American Humor, and several Grammy Awards. He's the co-host, along with Talib Kweli and Yasiin Bey, of "T...

Matty Matheson is a chef and author. He's the host of the YouTube series "Just A Dash" and co-host of the "Powerful Truth Angels" podcast.

David Holthouse is a writer and filmmaker whose investigation into a triple homicide in California's Emerald Triangle became the subject of the HULU documentary "Sasquatch".

Josh Rogin is a journalist, political analyst, and author of "Chaos Under Heaven: Trump, Xi, and the Battle for the 21st Century".

Jonathan Zimmerman is a professor of education and history at the University of Pennsylvania and author of "Free Speech and Why You Should Give a Damn".