Biography :
Dr. Orestis Ioannidis is an Assistant Professor of Surgery at the Medical School of Aristotle University of Thessaloniki. He earned his medical degree from the same institution in 2005. He went on to complete two master's degrees—one in Medical Research Methodology (2008) from Aristotle University, and another in Surgery of the Liver, Biliary Tree, and Pancreas (2016) from Democritus University of Thrace. In 2014, Dr. Ioannidis was awarded a PhD from Aristotle University of Thessaloniki, graduating as valedictorian for his thesis titled “The effect of combined administration of omega-3 and omega-6 fatty acids in ulcerative colitis: An experimental study in rats.” A practicing General Surgeon, he has a strong clinical and academic focus on laparoscopic surgery, surgical oncology, surgical infections, acute care surgery, perioperative nutrition, ERAS (Enhanced Recovery After Surgery), and vascular access. He is a fellow of several prestigious surgical societies, including EAES, ESSO, EPC, ESCP, and ACS. Dr. Ioannidis is an accomplished researcher, having authored over 180 scientific publications, accumulating more than 3,000 citations and an H-index of 28.