Kristin Neff, Ph.D., is an Associate Professor of Educational Psychology at the University of Texas at Austin and a pioneer in self-compassion research, having conducted the first empirical studies in the field. She is the author of Self-Compassion: The Proven Power of Being Kind to Yourself (William Morrow, 2011) and co-founded the nonprofit Center for Mindful Self-Compassion (CMSC).

Charles Duhigg is an American journalist and non-fiction author.

Robert Greene is an American author of books on strategy, power, and seduction.

Carol S. Dweck, Ph.D., is an American psychologist and author best known for her research on mindset, motivation, and success. She coined the term "growth mindset" and brought it mainstream with her 2006 book *Mindset: The New Psychology of Success*. She has held professorships at Columbia and Harvard Universities, has lectured worldwide, and is married to David Goldman, a national theatre director and founder of the National Center for New Plays at Stanford.

Jonathan David Haidt is an American social psychologist and author.

Bessel van der Kolk is a Boston-based Dutch-American psychiatrist, author, researcher and educator.