University of Groningen
Researcher Waterbird Ecology
Waardenburg Ecology
Bird Ecologist and Project Manager
NIOZ Royal Netherlands Institute for Sea Research
Researcher Shorebird Ecology
Sovon Vogelonderzoek Nederland
Researcher Bird Trends
Centraal Bureau voor de Statistiek
Statistical Researcher Ecological Monitoring
Commissie voor de milieueffectrapportage (m.e.r.).
Expert Eia Committee
Utrecht University
University Of Groningen Business School (Ugbs)