Jacek Krajewski, MD, is a specialist in general surgery. He graduated from Medical Academy in Gdańsk (now called Medical University of Gdańsk) by obtaining his diploma in 2002. He has extensive clinical experience gained, among others, at the Medical University of Gdańsk, during internships completed abroad (Universitätsklinik für Chirurgie, Allgemeines Krankenhaus der Stadt Wien), in his work as a doctor for the State Medical Rescue and as the head of the General Surgery Unit of the 115th Military Hospital in Hel. Jacek Krajewski, MD, served as Deputy Head of the Surgical Oncology Clinic at the Hospital of the Ministry of Interior and Administration in Olsztyn. Currently he works at the Department of Surgery at St. Adalbert’s Hospital in Gdańsk – Zaspa. Jacek Krajewski’s interests include abdominal surgery, proctology, oncological surgery and surgery of chronic wounds, ulcers and bedsores.