PhD from the Unviersity of Copenhagen on "The Materiality of Learning" with strong inspiration from my stay at Lancaster University (UK). Taught at various universities in Denmark and Germany, in psychology, educational studies, sociology and anthropology. Currently Prof. of cultural psychology and anthropology of knowledge at the Ruhr-University Bochum, and head of the RUSTlab. Interested in (not only) scientific data practices, re-setting of academic practices, social studies of IT-Security (etc.).