Medical specialist in internal medicine, diabetology, hypertensiology, and clinical transplantation. He completed medical fellowships at the Sonderborg County Hospital in Denmark, and at the Department of Nephrology of the Heidelberg University Hospital. Professor Janusz Gumprecht has been working at the Department of Internal Medicine, Diabetology, and Nephrology of the Medical University of Silesia since 1998. He serves as the Secretary of the Executive Board of the Polish Diabetes Association PTD.
His main areas of research include the pathogenesis and genetics of late diabetic complications, with a focus on diabetic nephropathy and pathogenesis of chronic renal insufficiency. He has authored and co-authored over 130 publications in Polish and international scientific journals, and 150 conference reports.