Founding, and current, Director of the Department of Immunology at the Max Planck Institute for Infection Biology. Past President and Honorary Member of the German Society of Immunology. Past President of the European Federation of Immunological Societies (EFIS). President of the International Union of Immunological Societies (IUIS). Member of the European Molecular Biology Organization (EMBO), the Berlin-Brandenburg Academy of Sciences and the German National Academy Leopoldina.