Dr. Dezso Kelemen is a Full Professor of Pancreatic Surgery at University of Pecs in Hungary. Dr. Kelemen completed his Diploma in Medical University of Debrecen, Hungary. Since 1988 he is working in hospital sector, which is an university teaching hospital with several specialties. His main field is gastro intestinal surgery, mainly pancreatic surgery. Besides he also treat patients with stomach, colon and liver diseases. In 2008 he investigated new techniques in pancreatic surgery, and in 2016 he investigated new techniques in pancreatic surgery under the sponsorship of "Alexander von Humboldt" Fellowship from the University of Heidelberg, Germany.