Dr. Corazza is Emeritus Professor of Internal Medicine at the University of Pavia, Italy. He got a specialization in Internal Medicine and Gastroenterology, and he spent a training period at the University of Leeds, focusing on intestinal diseases and malabsorption, under the direction of Professor Monty S. Losowsky (1978-1980). His research activity has mainly focused on celiac disease, other food intolerances, and inflammatory bowel disease. He has won multiple scientific awards, and he has been Editor of several Internal Medicine and Medical Therapeutics volumes and textbooks. He has served in the Scientific Board of the Italian Society of Gastroenterology, and, at present, he is an honorary member of the same Society. He has also served in the Executive Council of the Italian Society of Internal Medicine, and he has been elected as President in the years 2013-2015.

Currently, he is Honorary President of the same Society. Moreover, he has been President of the Scientific Board of the Italian Celiac Association (AIC), and he is still a member of the Scientific Board. He was named a member of the Select Committee of Selection of Scientific Programs of the Ministry of University and the Group of Experts of Rating Research Products - Medical Sciences Area (GEV06).