Fabrizio Didonna, PsyD, is Professor in the Institute for Lifelong Learning of the University of Barcelona, Spain, and Visiting Professor at Shanghai Jiao Tong University in China. A clinical psychologist, he is a teacher and trainer at several postgraduate schools of cognitive-behavioral therapy in Italy. Dr. Didonna is founder and President of the Italian Institute for Mindfulness and Scientific Director of the Institute-sponsored Master's Program in Mindfulness-Based Therapy. He is Coordinator of the Unit for Obsessive–Compulsive Disorder (OCD) at the Villa Margherita private hospital in Vicenza, Italy, and Director of the MBCT for OCD Center in Vincenza. A long-time practitioner and teacher of meditation, he is an experienced instructor of mindfulness-based groups and has trained more than 2,000 participants in inpatient and outpatient settings. He was one of the first therapists to do mindfulness training with inpatients with severe disorders. Dr. Didonna has presented scientific papers, gives workshops and lectures internationally, and has published numerous articles, chapters, and books, including the Clinical Handbook of Mindfulness.