Expert’s introductionProf. Henrik Petrowsky ( Figure 1 ) is a Professor of Surgery and Vice-Chair of the Department of Surgery and Transplantation at the University of Zürich, Switzerland. He serves as Program Director of the HPB Surgery and Liver Transplant Fellowship at the Swiss HPB and Transplant Center Zurich. Prof. Petrowsky is heading the Liver and Pancreas Tumor Center, which is embedded in the Comprehensive Cancer Center Zurich at the University Hospital Zurich. His current practice consists of liver transplantation and HPB surgery. His research interests have mirrored his clinical work mainly focusing on translational and outcome research in liver transplantation and hepatobiliary surgery.