Claudio Maffeis graduated in Medicine in 1985, at the University of Verona (Italy). He post graduated in Pediatrics in the same University in 1989 and in Gastroenterology in 1999. He spent his postdoctoral training with a residency at the Institute of Paediatrics, University of Verona and, in part, at the Institute of Physiology, University of Lausanne (CH). In 1993 he was research fellow at the Department of Paediatrics, Tufts University, Boston MA (USA).
He made his clinical and academicals career at the Institute of Pediatrics, University of Verona: Assistant Professor (1989), Consultant (1994), Associate Professor of Pediatrics (2004), Full Professor of Pediatrics (2016-).
He is the director of the Pediatric B (2010-) and the Regional Center for Pediatric Diabetes (2010-) at the Mother & Child Hospital of Verona.
He is a member of some international (ISPAD, EASO), and national scientific societies [Italian Society of Pediatric Endocrinology and Diabetology (ISPED), Italian Society of Pediatrics (ISP) and the Italian Society of Obesity (ISO)]; he served as advisor in ISPED and ISO. He had the chair of the Childhood Obesity Research Group of the ISPED, he served as the Vice-President of the European Childhood Obesity Group and the President of the ISPED (2019-2021).
He actively participated to several Congresses, both national and international, giving lectures or presenting oral communications. In 1987, 1992 and 1995 he received national and international awards for his research.
His main research interests are diabetes, obesity, and nutrition in children and adolescents. More than 300 scientific articles published in national and international journals are the result of his work (Scopus access 27.07.2022: HI: 42, citations: 7,313). He was the principal investigator of most of the research he participated in. Several International Journals published the results of his studies: Nature, Journal of Clinical Endocrinology and Metabolism, International Journal of Obesity, Obesity, Pediatric Obesity, Diabetologia, Diabetes Research and Clinical Practice, Pediatric Diabetes, Pediatrics, Journal of Paediatrics, American Journal of Clinical Nutrition, Nutrition Metabolism and Cardiovascular Diseases, European Journal of Clinical Nutrition, etc.
He is Deputy Editor of the European Journal of Clinica Nutrition (2021-) and Associate Editor of the British Journal of Nutrition (2020-) and the Italian Journal of Pediatrics (2020-)