- Member of the Advisory Council of Chancellor Dr. H. Kohl (1997) on Biotechnology, subgroup leader to develop concepts for bridging academia to biotech companies. Writer of a chapter (1.1212) of the published memorandum.
- Member of Scientific Advisory Board of the Technologie- und Innovationsrat (TIR) of the Mayor of the City of Berlin (1999-present).
- President of the Jury of the “Erwin Schrödinger-Preis” for Interdisciplinary Research of the Hermann von Helmholtz-Gemeinschaft Deutscher Forschungszentren (1999-2009), Jury member (2009-present)
- Member of the Heisenberg Committee of the DFG (1988-1993).
- Member of Committee of Leopold von Ranke Program, Berlin (1987-1993).
- Member Committee for Scholarships for Studienstiftung des Deutschen Volkes (1976 -1986).
- Member of the scientific board of Experimental Cancer Research (SEK) (1987-1993).
- Member of the scientific board of the German Society of Virology (GFV) (1997- present).
- EMBO member (1983 – present).
- Coeditor of Intervirology, Karger Press ( 2009-present)
- Member of Lateral Thinktank, Schweizer Akademie der Technischen Wissenschaften (SATW) since 1998
- Vicepresident of Fellow Club of Institute of Advanced Study Berlin.
- Gottfried-Semper-Club, Dresden and Winterthur (1995-present)