Carl Gustav Johannsen is Associate professor in Library and Information Science at the University of Copenhagen. Previously he was Director of the Research School of Cultural Heritage; 1999-2008; and Head of Department of Library Development, Royal School of Library and Information Science. His research focusses on topics related to innovation and service development in academic, public libraries and special libraries. Presently, his research interests among others concern the future role of public libraries, in particular, related to the staff-less library concept.