Barry Rothbart is a comedian, actor and writer. Check him out soon when his story airs on Comedy Central's "This Is Not Happening" hosted by Ari Shaffir on February 12 at 12:30am.

Artie Lange is an actor, writer, comedian, radio personality, and author. He recently started his own podcast available at http://ArtieQuitter.com

Scott Mescudi, aka Kid Cudi, is an American recording artist and actor from Cleveland, Ohio.

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

Dr. Bruce Damer is a polymath scientist, designer, author and general explorer of liminal realms. He has worked for over a decade in simulation and design of space missions for NASA, develops biochemical models for the origin of life at UC...

Christopher Ryan, PhD is a psychologist, speaker, and author of New York Times best seller "Sex At Dawn" - http://chrisryanphd.com/ http://podcasts.joerogan.net

Billy Corben is a documentary producer and director, best known for his films "Cocaine Cowboys " & "Cocaine Cowboys 2" and also "Broke" & "The U" for ESPN's 30 for 30 series. His latest film "Dawg Fight" will be available online on March 12...

Tom Papa is a comedian, actor, writer and television/radio host. Tom has a great story on "This Is Not Happening" here - http://youtu.be/487y7zJzkFM http://www.tompapa.com/ http://podcasts.joerogan.net

Honey Honey is a band, featuring members Suzanne Santo and Ben Jaffe, from Los Angeles, CA. They are currently recording a new album and can be seen touring all over the world.

Ms. Pat is a stand-up comedienne.

Michael Stevens created the YouTube channel VSauce, where "mind-blowing facts & The Best of The Internet" is shared. https://www.youtube.com/Vsauce/

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.

Matt Fulchiron is a stand-up comedian and also hosts his own podcast called "The Full Charge Power Hour"

Abby Martin is an American journalist and also host of "Breaking the Set" for RT America.

Gad Saad is Professor of Marketing & Concordia University Research Chair in Evolutionary Behavioral Sciences and Darwinian Consumption and author of "The Evolutionary Bases of Consumption" and "The Consuming Instinct"