Dr. Stefan Gradmann is a full Professor teaching knowledge management and semantic knowledge architectures at the School of Library and Information Science of Humboldt-Universität zu Berlin since 2008. Other focal areas in teaching and research are digital libraries, library automation as well as the use of information technology in the realm of signification and interpretation in the ‘Digital Humanities’ with a specific focus on the ‘document’-notion and its deconstruction. He has been heavily involved in the creation of Europeana from its beginnings, where he is responsible for semantic interoperability and one of the architects of the Europeana Data Model (EDM).