Co-founder and member of the scientific board of the OIKOS-research group Cultural Interactions in the Ancient World

Member of the scientific advisory board of the Netherlands Institute in Athens 

Co-founder and member of the editorial board of the Brill-book series Cultural Interactions in the Mediterranean

Member of the editorial board of the Brill-book series Ancient Iran

Member of the editorial board of the journal Parthica

Member of the editorial board of the journal Dabir

Member of the editorial board of the journal Electrum 

Board of external reviewers Princeton Institute for Advanced Study (History)

Member of the OIKOS-research group Cities and Settlements 

Member of the International Seleucid Study Group

Member of the Waterloo Institute of Hellenistic Studies

Member of the international research group Impact of Empire