Prof Leszek Czupryniak is a specialist in medicine and dibetology and has been working as Head of the Department of Diabetology and Internal Diseases and the Medical University of Warwas. He graduated from the Medical University of Lodz in 1994, and had further training at Oxford, London and Wakefield(Great Britain), Maastricht(Netherlands), and Miami(USA). His areas of interest are type 1 diabetes, type 2 diabetes, diabetes accompanying other diseases, and chronic complications of diabetes, with special interest in oral antidiabetic agents and insulins.