Prof. Claudio Maffeis is specialized in Pediatrics and Gastroenterology. His interest is mainly devoted to diabetes, nutrition, and metabolism in children and adolescents, in particular to obesity, diabetes and its complications. He increased his clinical and research competence at the University of Lausanne and at Tufts University in Boston. The quality of his scientific production has been confirmed by several awards for pediatric research and obtaining competetive financial support (PRIN) by Italian Ministry of University and Research.