Spyros Ntioudis holds a Diploma degree in Electrical and Computer Engineering from the National Technical University of Athens, Greece (1997), an MSc degree in Advanced Information Systems (specialisation in Information Retrieval Systems) from the University of Glasgow, U.K. (1998) and a PhD degree (2005) from the National Technical University of Athens . He is a researcher in the School of Electrical and Computer Engineering of N.T.U.A. (since 1999). In the past he has worked on the KnowNet ESPRIT Project and the DECOR IST Project. Fluent in English and French (oral & written) and very good in German and Italian. His research interests include Methods for Ontology Development and Tools for Ontology Management.