Ronald D. Siegel, PsyD, is Assistant Professor of Psychology, part time, at Harvard Medical School, where he has taught since the early 1980s. He is a longtime student of mindfulness meditation and is a faculty and board member at the Institute for Meditation and Psychotherapy. Dr. Siegel teaches internationally about the application of mindfulness practices in psychotherapy and other fields, and maintains a private practice in Lincoln, Massachusetts. His books include The Extraordinary Gift of Being Ordinary and The Mindfulness Solution, for general readers, as well as several acclaimed works for professionals.