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.

Jonathan David Haidt is an American social psychologist and author.

Brianna Wiest is an internationally bestselling author whose books have sold millions of copies and regularly appear on global bestseller lists. Her titles include 101 Essays That Will Change The Way You Think, The Mountain Is You, The Pivot Year, When You're Ready This Is How You Heal, Salt Water, Ceremony, and more. She has over one million followers on Instagram.

Julius Spes is the author of *Liberating Happiness: 3 Guides to Living a Fulfilled Life Amidst Challenging Situations* and the audiobook *Liberation Psychology*, which offers seven steps to self-rejuvenation and mental resilience. His work focuses on happiness and psychological well-being.