Rick Hanson, PhD, is a psychologist and meditation teacher. A summa cum laude graduate of the University of California, Los Angeles, he cofounded the Wellspring Institute for Neuroscience and Contemplative Wisdom and edits the Wise Brain Bulletin. He and his wife have two children.
 
Richard Mendius, MD, is a neurologist and cofounder of the Wellspring Institute for Neuroscience and Contemplative Wisdom. He has taught medicine at University of California, Los Angeles, and Stanford University in Palo Alto, CA. He also teaches weekly meditation classes at San Quentin State Prison. He and his wife have three children.
 
Foreword writer Daniel J. Siegel, MD, is executive director of the Mindsight Institute and an associate clinical professor of psychiatry in the School of Medicine at the University of California, Los Angeles. He is author of The Developing Mind, The Mindful Brain, and other books, and is founding editor of the Norton Series on Interpersonal Neurobiology.
 
Preface writer Jack Kornfield, PhD, is cofounder of the Insight Meditation Society in Barre, MA, and a founding teacher of Spirit Rock Meditation Center in Woodacre, CA. He is author of many books, including A Path with Heart and The Wise Heart.