Jon Kabat-Zinn, PhD, is executive director at the Center for Mindfulness in Medicine, Health Care and Society at the University of Massachusetts Medical Center. He is the founder and former director of the UMMC Stress Reduction Clinic and an associate professor of medicine in the division of preventive and behavioral medicine. Using mindfulness meditation, Kabat-Zinn works to help people reduce stress and deal with chronic pain, and a variety of illnesses, particularly breast cancer. He was a trainer for the 1984 U.S. Men's Olympic Rowing Team and is especially interested in reducing the stress-related problems in the inner city and in prison populations.

Kabat-Zinn's books include Full Catastrophe Living: Using the Wisdom of Your Body and Mind to Face Stress, Pain and Illness (1991); Wherever You Go, There You Are: Mindfulness Meditation in Everyday Life (1994) and Everyday Blessings: The Inner Work of Mindful Parenting (1997), which was co-authored with his wife, Myla.

Daniel J. Siegel, MD, is a graduate of Harvard Medical School and completed his postgraduate medical education at UCLA with training in pediatrics and child, adolescent, and adult psychiatry. He is currently a clinical professor of psychiatry at the UCLA School of Medicine, founding co-director of UCLA's Mindful Awareness Research Center, founding co-investigator at the UCLA Center for Culture, Brain and Development, and executive director of the Mindsight Institute, an educational center devoted to promoting insight, compassion, and empathy in individuals, families, institutions, and communities.

Dr. Siegel's psychotherapy practice spans thirty years, and he has published extensively for the professional audience. He serves as the Founding Editor for the Norton Professional Series on Interpersonal Neurobiology which includes over 70 textbooks. Dr. Siegel's books include his five New York Times bestsellers: Aware: The Science and Practice of Presence; Brainstorm: The Power and Purpose of the Teenage Brain; Mind: A Journey to the Heart of Being Human; and two books with Tina Payne Bryson, PhD, The Whole-Brain Child and No-Drama Discipline. His other books include: The Power of Showing Up (also with Tina Payne Bryson, PhD), The Developing Mind, The Pocket Guide to Interpersonal Neurobiology, Mindsight, The Mindful Brain, The Mindful Therapist, Parenting from the Inside Out (with Mary Hartzell, M.Ed.), and The Yes Brain (also with Tina Payne Bryson, PhD). He has been invited to lecture for the King of Thailand, Pope John Paul II, His Holiness the Dalai Lama, Google University, and TEDx.