Dr. Robert Sapolsky is a professor of biological sciences at Stanford. He's the author of "Why Zebras Don't Get Ulcers" as well as his latest work - "Behave: The Biology of Humans at Our Best and Worst."
Trey Ratcliff is a famous photographer. He's the author of the new book, Under the Influence - How to Fake Your Way into Getting Rich on Instagram: Influencer Fraud, Selfies, Anxiety, Ego, and Mass Delusional Behavior.
Amanda Palmer is a singer, songwriter, playwright, pianist, author, director, blogger, and ukulele enthusiast who simultaneously embraces and explodes traditional frameworks of music, theatre, and art.