An international expert in non-invasive evaluation of cardiac disease by CT, MSCT, DSCT, and MR. His researches are mainly focused on coronary heart disease and the cybernetic of myocardial perfusion as well as pericardial disease, including constrictive pericardial diseases. Founder and 1st President of the European Society of Cardiac Radiology. Organizer of Tutorials for East European Radiologists on behalf of ESR for a period of 18. Founder of the Graz Interdisciplinary Center for Cardiac Imaging