Vijay Seshadri is a poet, essayist and literary critic, whose 2014 poetry collection "3 Sections" won the Pulitzer Prize.

John McCourt is a Professor of English at University of Macerata. He is the author of a number of books on James Joyce, and is President of the International James Joyce Foundation.

Steven Callahan survived 76 days adrift at sea, and his since written the books "Adrift" and "Capsized," and has consulted for numerous films and TV shows.

Tom Oliver is a professor of applied ecology at the University of Reading, and the author of, "The Self Delusion: The Surprising Science of How We Are Connected and Why That Matters."

Neil Woods is a former undercover police officer in the UK, author of the book Drug Wars, and a member of the reform group Law Enforcement Action Partnership.

Robin Hanson is an economist at George Mason University. He is the author of a number of books, including The Age of Em and The Elephant in the Brain. His blog is called Overcoming Bias.

Forrest Gander is a poet, translator and novelist, whose 2018 poetry collection, "Be With," won the Pulitzer Prize. His most recent collection of poems is, "Twice Alive."

David Burns is considered one of the founders of CBT and is a psychiatrist and professor at the Stanford School of Medicine. He is author of "Feeling Good," which sold over three million copies, and most recently wrote, "Feeling Great."

Bill Ayers is a former leader of the Weather Underground and professor of education at University of Illinois at Chicago.

Ross King is a novelist and historian who has authored a number of books about Renaissance artists, including, "Leonardo and the Last Supper" and "Brunelleschi's Dome."