Prof. Antonino De Lorenzo is a specialist in gastroenterology and digestive endoscopy, a full professor of human nutrition and the Director of the School of Specialization in Food Science at the University of Roma “Tor Vergata”, where he is also the Director of Ph.D Research in “Physiology of Districts Corporeal” and the director of the Unit “Service of Clinical Nutrition, and Parenteral Therapy Anorexia Nervosa”. He received his Bachelor of medicine and surgery from the University of Rome “La Sapienza” in 1978, and was awarded Specialist Cum Laude in Gastroenterology and Digestive Endoscopy from Policlinico “A. Gemelli”, Rome, in 1990. During his long research and studies on body composition, he discovered the “Normal Weight Obese Syndrome”. He holds positions of scientific responsibility for national and international research projects and is a member of several scientific societies. He is the author of over 200 articles in international journals with “peer revision” in PubMed, 54 chapters of national and international treaties and 150 articles in journals, and conference proceedings in Italy and abroad. He is also the President of the National Institute for the Mediterranean diet and the Nutrigenomics (INDi.M).