Jacek Walewski graduated at Medical University of Warsaw .He has worked for several years as a doctor and lecturer at   BielaÅ„ski Hospital and   Clinic of Internal Medicine and Diabetes departments of the 2nd Faculty of Medicine of the Medical University of Warsaw. He also gained professional experience on foreign internships, including among others at the Clinic of Diabetology in Düsseldorf and the Clinic of Diabetes and Angiology in Munich, Germany. He was the author of numerous papers on diabetes and numerous presentations during conferences, including the conference of the Polish Diabetes Association. He currently works as an internist – diabetologist and serves as the Deputy Director of the Regional Mazowsze Medicover Centres for Medical Affairs. 

 Jacek Walewski has broad interests in the diabetes. His research thus far has focused on diabetology  and internal Medicine.