Memberships
Vereniging voor Vernieuwingsimpuls Onderzoekers (VVViO, member of board: treasurer)Behavior Genetics Association (BGA, executive committee member)
International Society for Twin Studies (ISTS)
American Psychopathological Association (APPA)
International Positive Psychology Association (IPPA)
European Network for Positive Psychology (ENPP)
Gene- Quality of Life Consortium (GENE-QOL)

