In 2012 Stefanie co-founded TheCoCreators as a world-wide network of independent cocreators. Trained as a psychologist and qualitative market researcher it is evident to her that end-users should always be involved in the co-creation of solutions for any business challenge or societal issue. As a CoCreator, Stefanie gets hired by various organizations, such as publishers, municipalities, NGO’s, retailers, education institutes, and FMCG. Since April 2021 Stefanie holds a part-time position as General Coordinator of Wijkcentrum de Pijp in Amsterdam, where she works on improving her own neighborhood in complete co-creation with local inhabitants, businesses, the county, and other relevant parties. Stefanie is co-author of the book The 7 Principles of Complete Co-creation and is available as a speaker and workshop leader for Dutch and English events.