Professor of medicine, Specialist in general and oncological surgery, provincial consultant for general surgery, current Rector of the Jan Kochanowski University, the inspirer and one of the main researchers in the epidemiology and genetic determination of pancreatic inflammation and cancer, coordinator of researches in metabolic syndrome and obesity treatment.
Professor of medicine, Specialist in Internal Medicine and in Field of Diabetology, Head of the Diabetology and Internal Medicine Clinic in Medical University of Warsaw. Polish Diabetology Association Board Representative for International Cooperation. Editor in Chief „Current Topics in Diabetes”.
Consultant Endocrinologist at the Sutherland and St George Hospitals in Sydney, Australia and Head of the Endocrinology department at the Sutherland Hospital in Sydney, Australia, Senior Conjoint Lecturer at the University of New South Wales, Sydney and a Visiting Scientist at the Garvan Institute of Medical Research, an active member of the Endocrine Society of Australia, Australian Diabetes Society, Australia and New Zealand Bone and Mineral Society, The European Society of Endocrinology and Australian Medical Association.
Associate Professor in the Department of Biomedical Sciences, University of Copenhagen. He is an active member of Danish Society for Immunology, European Association for the Study of Diabetes, Danish Diabetes Academy, Penn/CHOP Center for Orphan Disease Research and Therapy, International Society for IGF Research, and American Society of Cell Biology.