Dan Tomasulo, PhD, is author of the popular self-help guide, Learned Hopefulness, hailed as ''the perfect recipe for fulfillment, joy, peace, and expansion of awareness'' by Deepak Chopra. He is core faculty at the Spirituality Mind Body Institute (SMBI) at Teachers College, Columbia University; and was honored by Sharecare as one of the top ten online influencers on the issue of depression. He holds a PhD in psychology, an MFA in writing, and a master of applied positive psychology from the University of Pennsylvania. A highly sought-after international speaker on topics relating to applied positive psychology, he authors the popular blog, The Healing Crowd, for Psychology Today. His award-winning memoir, American Snake Pit, was released in 2018.Lisa Miller, PhD, is professor in the clinical psychology program at Teachers College, Columbia University, where she founded the Spirituality Mind Body Institute-the first Ivy League graduate program in spirituality and psychology. She is author of The Awakened Brain and The Spiritual Child.