Joris erdmann was trained as an oncological and gastrointestinal surgeon in Rotterdam and in 2015 did his PhD on the topic of "pancreatic and biliary cancers". In 2013-2014 he did the famous "Groninger" fellowship "hepatopancreatobiliary surgery and liver transplantation", followed by an UEMS accreditation in 2017. From 2014-2016 he worked as a consultant in Groningen. In 2016 he moved to Leiden to work as a HBP and abdominal (Liver, Pancreas, Kidney) transplant surgeon. In 2018 he obtained his current position in the Amsterdam UMC as a hepatopancreatobiliary surgeon. As a transplant surgeon he was involved in machine perfusion to improve organs before transplant. He was co-author of the landmarkpaper on D-HOPE in NEJM. Besides transplant research he supervised a PhD project on the staging of pancreatic cancer. After moving to Amsterdam he moved his focus to benign and malignant primary liver tumors, extrahepatic bileduct cancer and the topic of  regeneration, function and faillure after major hepatectomies. He  currently is supervisor of several PhD's on these topics.