Ralf Schaefer received his engineering degree (Dipl.–Ing.) from the University of Kaiserslautern, Germany in 1993 and joined the Thomson R&D labs in France in the same year. During his career he has worked on various projects dealing with Interactive Television and A/V Networking - partly in product development and partly in research. Today Ralf is “Program Manager for Broadband Electronic Content Distribution” in Thomson Technology Division and works on IPTV systems in collaboration with Business Units of his company. In parallel he chairs the DVB commercial groups on IPTV and Home Networking. Ralf is married, has two children and is fluent in German, French and English.