Stanislaw KlekHead of the Department Surgical Oncology ClinicNational Cancer Institute in Krakow Prof. Stanislaw Klek, MD, PhD, is a specialist in general and cancer surgery. He works as the Head of the Surgical Oncology Clinic as well as Medical Director at the National Cancer Institute in Krakow. He is also the Head of the Intestinal Failure Center at Stanley Dudrick’s Memorial Hospital in Skawina, Poland. Stanislaw Klek is the Chairman of the European Society for Clinical Nutrition and Metabolism (ESPEN, 2024-2028). He was one of the first recipients of the European ESPEN Diploma (2010) and one of the first ESPEN LLL Teachers (2008). Associate Editor for Clinical Nutrition (since 2013). Chairman of the International Section of American Society for Enteral and Parenteral Nutrition (ASPEN, 2019-21) and President of the 41st ESPEN Congress in 2019. Stanislaw has published more than 220 original articles, 30 case reports, 18 book chapters, and over 100 congress abstracts.Interested in film, music and sports (completed 14 Ironman 140.6 races, 14 Ironman 70.3 races, 6 Olympic triathlons, two ultratriathlon, four ultramarathons and 19 marathons).Poland