Tom Hemming Karlsen (MD, PhD) is a clinical specialist in internal medicine and gastroenterology working in Oslo, Norway. He graduated from medical school at the University of Bergen in 1997. Within the Division of Cancer Medicine, Transplantation and Surgery at the Oslo University Hospital he is leader of the Norwegian PSC research center at the Department of Transplantation Medicine, as well as the Section of Molecular Hepatology at the Research Institute of Internal Medicine; altogether comprising three research groups (Experimental liver research, Genomics and metagenomics in inflammatory disorders, and a clinical research group).
Dr. Karlsen works as a full professor of medicine at the University of Oslo. Clinically, he works as a senior consultant within transplant hepatology at the Section of Gastroenterology at the Department of Transplantation Medicine within the Clinic For Cancer Medicine, Surgery and Transplantation at Oslo University Hospital Rikshospitalet.
Dr. Karlsen’s research experience mainly relates to genetics and disease mechanisms in liver and gut inflammatory diseases, primary sclerosing cholangitis (PSC) in particular. He is secretary and co-founder of the International PSC study group and has served as the coordinator of the Nordic Liver Transplant Registry since 2006. He is member of several other national and international research networks as well as the European Association for the Study of the Liver (EASL), the American Association for the Study of Liver Disease (AASLD), and the editorial board of Hepatology.