Rocco Barazzoni, MD, PhD is Associate Professor of Internal Medicine, consultant in Internal Medicine and coordinator for the Obesity Outpatient Unit at Trieste University Hospital, Italy. His previous posts include Assistant Professor of Medicine and Research Fellow at Mayo Clinic and Foundation, Rochester, Minnesota. He is the current Chairman of the European Society for Clinical Nutrition and Metabolism (ESPEN). He also co-chairs of the ESPEN Special Interest Group on Obesity, and served as chair of the Italian Obesity Society (SIO) Scientific Committee. He has participated in the Editorial Boards of several journals including Diabetes. His research focuses on nutritional and hormonal regulation of energy metabolism and related mechanisms in both clinical and experimental models in the settings of malnutrition, obesity and their metabolic complications. Professor Barazzoni has published more than 150 papers in international peer-reviewed journals, including original research as well as editorials and guidelines.