Doctor, scientist, general surgeon, who for 8 years worked in the Department and Clinic of General and Transplant Surgery of the Medical University of Warsaw. Promoter of mini invasive surgical techniques in proctology, gastrology, general surgery and endoscopy. He took part in the world’s first endoscopic transplant of pancreatic islets under gastric mucosa. Participant of numerous courses and conventions on mini-invasive surgery, proctology, gastrology. Co-founder and executor of the program of transplantation of pancreatic islets in Poland and co-founder of the association Active with Diabetes. From the very beginning he was involved in the project of bionic pancreas. Co-author of the pancreatic decellularization method and bioreactor design for the storage of bionic pancreas.