Denny Vrandecic is a researcher at the Institute of Applied Informatics and Formal Description Methods (Institute AIFB) of the Universität Karlsruhe (TH). He received his Master for studying Computer Science and Philosophy at the University of Stuttgart. Now his research interests include ontology engineering, evaluation and inferencing, and keeping in mind that making life easier for humans is our main focus. He was co-organizer of the WWW workshops EON2006 on ontology evaluation and CKC2007 on collaborative knowledge construction. He is a co-developer of Semantic MediaWiki and co-authored several books for Germany's most-popular role playing game. Contact him at Inst. AIFB, Universität Karlsruhe (TH), 76128 Karlsruhe, Germany; firstname.lastname@example.org and find more information at his user page.