Alex Honnold is a professional adventure rock climber, author, and co-host, with Fitz Cahall, of the "Climbing Gold" podcast.

Mark Sisson is a fitness author, paleo diet expert, and retired elite athlete. His newest book is "Two Meals a Day: The simple, sustainable strategy to lose fat, reverse aging, & break free from diet frustration forever".

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.

Joe is joined by mixed martial artist Leon Edwards, who is currently competing in the UFC's Welterweight division.

Terry W. Virts is a retired astronaut, International Space Station Commander, test pilot, and colonel in the United States Air Force. Virts spent over 213 days in space over the course of his career with NASA. His new book How to Astronaut:...

Tulsi Gabbard is a Former United States Representative, presidential candidate, and Iraq War veteran. Currently, she serves as the leader of Tulsi Aloha, a political action committee.

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Mariana van Zeller is an award-winning journalist and documentarian. Her latest project is Trafficked: a National Geographic television series that takes her deep into the most dangerous black markets in the world.

Computer security researcher Moxie Marlinspike is the creator of the encrypted messenger service Signal, and co-founder of the Signal Foundation: a nonprofit dedicated to global freedom of speech through the development of open-source priva...

Alex Berenson is a journalist and award-winning author of both fiction and non-fiction. His newest work, "Unreported Truths about COVID-19 and Lockdowns: Part 1: Introduction and Death Counts and Estimates", can be downloaded from Amazon an...

Bill Burr is a standup comedian, actor, and host of the Monday Morning Podcast. He's also the voice of Frank Murphy in the Netflix animated sitcom F is for Family, currently in its fourth season. Learn more about your ad choices.

Elon Musk is a business magnate, designer, and engineer. His portfolio of businesses include Tesla, Inc., SpaceX, Neuralink, and many others.

Standup comedian Michael Kosta can be seen regularly on "The Daily Show with Trevor Noah", and is the host of the "Tennis Anyone?" podcast. His new Comedy Central special, "Michael Kosta: Detroit. NY. LA." is available now.

John Terzian is co-founder and co-president of Los Angeles-based hospitality and lifestyle firm The h.wood Group. Craig Susser is the owner of the Los Angeles restaurant Craig's, and creator of the non-dairy ice cream brand Craig's Vegan.