Riccardo Dalle Grave MD is the Director of the Department of Eating and Weight Disorders, Villa Garda Hospital and of the master in treatment and prevention of obesity and eating disorders organized by the Italian Association of Eating and Weight Disorders (AIDAP). He is regularly invited to conduct public workshops on the nature and treatment of obesity and eating disorders in Italy, Europe, and the U.S. He supervises several units and clinical services in Europe, US, and Middle East, and teaches at several Italian schools of psychotherapy. He has published 130 papers in peer-reviewed journals included in PubMed, about 100 papers and 25 books in Italian, two books in the U.S., and several chapters in books on eating disorders and obesity. He is member of the editorial board of International Journal of Eating Disorders, European Eating Disorder Review and Eating and Weight Disorders, senior editor of the Journal of Eating Disorders and editor of the journal Emozioni e Cibo. He is fellow of Academy for Eating Disorder, past-president of AIDAP and past treasurer of Italian Society of Obesity (SIO). Massimiliano Sartirana PsyD, is a psychologist and has extensive clinical experience in the treatment of eating disorders and obesity. He teaches in several Italian schools of psychotherapy, and co-authored two books in Italian Marwan El Ghoch MD, is medical doctor specialized in clinical nutrition and has published 60 papers in international peer-reviewed journals included in PubMed Simona Calugi, PhD is a psychologist with a master's degree in bio-statistics and a PhD in medicine and public health. She has published 115 papers in international peer-reviewed journals included in PubMed, and co-authored two books in Italian.