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