Marianne Williamson is a bestselling author, speaker, political activist, and spiritual thought leader. She is the author of 15 books, including 5 New York Times Best Sellers (A Return to Love, A Woman's Worth, Illuminata, The Healing of America, and Illuminated Prayers), and the...

Golden Harper is a lifelong runner, biomechanics expert, and the creator & founder of Altra Footwear & P.R. Gear. He ran his first marathon at age 10 (3:08:05) and holds the world’s best for a 12-year-old in the marathon at 2:45:34. After growing up working in his family’s running store...

Jon Kabat-Zinn is a pioneering figure in the field of mindfulness and its integration into mainstream Western medicine and psychology. He is Professor of Medicine Emeritus at the University of Massachusetts Medical School, where he created both the Stress Reduction Clinic and the Center for...