Biography: - specialist in pediatric transplantation and clinical transplantation - full professor and after retirement consultant of the Department of Pediatric Surgery and Organ Transplantation at the Children’s Memorial Health Institute (CMHI) in Warsaw - active member of the National Transplant Board (previously its chairman for many years) - in the past, a national consultant in pediatric surgery - representative of the CMHI for the board of TransplantChild within the European Reference Network, leader of WP6 (Traiuning and Education)and WP8 (support to Ukraine) - member of several editorial boards of Polish and international journals, e.g., Pediatric Transplantation, European Journal of Pediatric Surgery, Annals of Transplantation, and others - author of 396 full-text publications including chapters and textbooks Achievements: - organized first liver transplant program in Poland and performed the first successful liver transplantation as well as first liver transplantation from a living donor; the first combined liver and kidney transplantation; and the first multiorgan liver, intestine, and pancreas transplantation in Poland - introduced in Poland pp65 CMV antigen monitoring as well as EBV viremia monitoring in organ transplant recipients -developed pediatric transplant program up to 1250 kidney transplantations and over 1050 liver transplantations in children - organized 23 Interdisciplinary symposia of pediatric surgeons - organised congress of IPTA (Warsaw 2013)