Research fellow faculty of medicine Catholic University of Leuven, 1983-1988. Senior researcher department neuroscience, department clinical neuroscience Karolinska Institute, Stockholm, since 1988. Private professor neurology University Medical School, Debrecen, Hungary, since 1993.
Chairman Hungarian Positron Emission Tomography Foundation, since 1993. Trustee University Debrecen, since 1999. Member advisory board Medical Research Institute, Hungarian Academy of Sciences, since 1999.
Science policy adviser to President Hungary, since 2001.