Head of the Center for Pathophysiology, Infectiology and Immunology at the Medical University of Vienna and Chairman of one of the Center’s subunit, the Institute for Hygiene and Applied Immunology, where he is appointed as a full professor for molecular immunology. Further, current Chairman of the Federation of Austrian Scientific Societies. Served as officer for many other national and international scientific organizations and societies. For instance, long-lasting Treasurer of the European Federation of Immunological Societies (EFIS, 2006-2015), President of the Austrian Society for Allergology and Immunology (2000-2006), Board Member of the Austrian Science Fund (2005-2014). Identified and developed targets for diagnosis and therapeutic treatment of immunological and inflammatory diseases particularly on T cells and myeloid cells by monoclonal antibodies. The latter have been distributed to the community and used by health care centers, doctors and researchers for the diagnosis and therapy of immunological diseases and leukemias already for decades. The contribution to the understanding of how GPI-anchored receptor proteins transduce signals across the plasma membrane were fundamental for the identification and characterization of lipid rafts, membrane devices that are now recognized to control signaling across the plasma membrane. Published more than 180 papers with an h-factor of 47.