I named my company History by Design, because you can both discover history by design and create history by design. And that’s exactly what I aim to do in my work, caring for past and present designs
Rosan is a member of Restauratoren Nederland (Dutch Conservators Association). Among others she has carried out conservation work and research projects for Bonnefantenmuseum Maastricht, Bureau Europa, Gemeente Maastricht, Stichting Restauratie Atelier Limburg and Vereniging Hendrick de Keyser.
Rosan occasionally lectures about Historic Interior conservation at the course for Conservation and Restoration of Cultural Heritage at the University of Amsterdam.