Harry L. A. Janssen MD, PhD

Harry L. A. Janssen graduated from medical school in Nijmegen, Netherlands. During his study, he spent one year as a research fellow in Hepatology at the Mayo Clinic. He obtained his PhD at Erasmus University in Rotterdam on the role of immune-modulating therapy in chronic hepatitis B. Following his training in Internal Medicine in Leiden and Gastroenterology at the Erasmus University in Rotterdam, he returned to the Mayo Clinic for a Research Fellowship in Hepatology at the Center of Basic Research in Digestive Diseases.

In 2001, he became a faculty member, and in 2006, he was appointed as a full Professor of Hepatology at Erasmus University and Chief of the Section Liver Diseases and Transplantation at the Erasmus MC in Rotterdam. After a successful career in Rotterdam, he moved in 2013 to Toronto to become Chief of Hepatology at University Health Network and Professor of Medicine at the University of Toronto, where he also held the Francis Family Chair in Hepatology. In 2016, he merged all three Toronto Liver Programs into the Toronto Centre for Liver Disease to become the biggest liver program in North America, based at Toronto General Hospital. In 2022, Dr. Janssen returned to be Chair and Professor of the Department of Gastroenterology and Hepatology at Erasmus MC, Rotterdam, The Netherlands.