Mathieu Le Brun is Head of the Research and Technological Development (RTD) Department at the Virtual Resource Centre for Knowledge about Europe (CVCE). His main responsibility is related to the research and development of multimedia, multisource and multilingual knowledge bases in a scientific and cultural context. One of the most notable achievements under his direction is the development of Multimedia Content Explorer (MCE), an innovative application which provides the platform for the CVCE’s flagship service, the European NAvigator (ENA) knowledge base (www.ena.lu). He has a longstanding experience in managing multidisciplinary teams and has always kept a close relationship to the end user community. He has furthermore introduced concepts for 3D representation of archaeological data and for advanced interactive, multimedia kiosks with wide touch screens for cultural and scientific object representation. His particular fields of interest are rich interface, 3D representation and computer applications to Cultural Heritage, and in particular 3D modelling and visualization issues, both theory and applied research, databases and standardization. He is a member of the W3C Advisory Committee Representative.