Pieter Graaff is a Dutch architect and founding partner of architectural firm and design agency Open Kaart. After studying at Delft University of Technology he started his career in research and providing solutions for assisted housing for those in need. He puts the insights he acquired there into practice in his Rotterdam-based firm, which specializes in transforming living environments. As an architect and researcher, he is committed to including the experience, inspiration, and energy of users in the process in order to achieve better planning and design solutions. He shares his findings as an author and guest lecturer at Delft University of Technology.