Stewen is an art historian, author and researcher of contemporary art. She has extensive teaching experience from e.g. the University of Turku, the University of Helsinki, and the Academy of Fine Arts, where she also worked as Vice Dean and Vice Rector. Stewen has also worked as a postdoctoral researcher, funded by the Academy of Finland, and she has been granted the title of Docent in Art History by the University of Helsinki.
Stewen’s doctoral dissertation, “Beginnings of Being: Painting and the Topography of the Aesthetic Experience” investigated phenomenological and psychoanalytical theories of the subject and questions pertaining to observation. Her current research focuses on the materiality of memory and the genealogy of performativity in contemporary art.