American College of Neuropsychopharmacology (ACNP)
- fellow
- member of the Education and Training Committee (until 2007)
- member of the Liaison Committee with Governmental Agencies and the Pharmaceutical Industry (until 2007)
- member of the Public Information Committee (since 2007)
Society of Biological Psychiatry (SBP)
- Regular member
- member of the program committee 2005-2008
Collegium Internationale Neuro-Psychopharmacologicum (CINP)
- Regular member
- member of the program committee 2005-2007
European College of Neuropsychopharmacology
- Regular member
Deutsche Gesellschaft für Psychiatrie, Psychotherapie und Nervenheilkunde (DGPPN)
- Mitglied des wissenschaftlichen Komittes 2004-2009
- wissenschaftlicher Sekretär 2004