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).

Nick Trenton grew up in rural Illinois and describes himself as "a farm boy." He earned a BS in Economics before going on to become a prolific author, with titles such as Stop Overthinking and works focused on anxiety, self-regulation, and emotional well-being. He has authored over 30 books, emerging as a writer in the early 2020s.

Joseph Burgo, PhD, has practiced psychotherapy for more than thirty years, holding licenses as a marriage and family therapist and clinical psychologist. He earned his undergraduate degree in English Literature at UCLA. He began writing fiction at age 12, published his first fantasy novel at 23, and is also the author of Why Do I Do That? (2012) and The Narcissist You Know (2015).

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

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

The 14th Dalai Lama was recognized at age two as the reincarnation of the 13th Dalai Lama. Following the 1959 Tibetan uprising, he escaped into exile in India, where he lives as a refugee. He has authored works including two autobiographies — My Land and My People (1962) and Freedom in Exile (1991) — as well as The Art of Happiness, a landmark book in the field of positive psychology.