Cihan Yurdaydin specialized in Internal Medicine at the University of Ankara Medical School, Turkey, after gaining his medical degree from the same establishment. After a year of national service at Gümüssuyu Military Hospital and two years at Van State Hospital, he returned to the University of Ankara Medical School to specialize in gastroenterology. Dr. Yurdaydin has worked for one year on hepatic encephalopathy at the University of Vienna, Austria and was a visiting fellow at the Liver Diseases Section of the National Institutes of Health in Bethesda, MD, between 1991 and 1993. Professor Yurdaydin left Ankara University on January 31, 2019 and is currently working in the Department of Gastroenterology and Hepatology at Koç University Medical School in Istanbul as Chief of the Department.
Professor Yurdaydin was an Editorial Board member of the Journal of Hepatology from 1995 to 2000 and has been Editor-in-Chief of The Turkish Journal of Gastroenterology from 1999 until December 2013. He was an Associate Editor for Liver International from 2010 to 2013 and is currently on the Editorial Board of Hepatology International. Prof.Yurdaydin has published and has served as a reviewer in peer reviewed journals such as Gastroenterology, Hepatology, Journal of Hepatology, Lancet and The New England Journal of Medicine. He has published more than 180 articles and his papers have received more than 10.000 citations. He has served in the Scientific Committee of EASL between 2000 and 2003 and as Education Councillor from 2013 to 2015. He has also served the World Gastroenterology Organization at various positions and was the President of this organization between 2017 and 2019.