After graduating from the Media Systems program at the Bauhaus-University Weimar, Nicolai did his PhD at the University of Calgary, Canada. He works on physical computing, digital fabrication, ubiquitous computing, and proxemic interactions. One of Nicolai’s passions are sketching and prototyping strategies, he is a co-author of the ‘Sketching User Experiences Workbook’ with Saul Greenberg, Sheelagh Carpendale, and Bill Buxton.