I studied Wirtschaftsinformatik (computer science and business administration) at the University of Mannheim from 1987 until 1993. After that I started working on my PhD.

First, from December 1993 until March 1995, I worked as a member of the tenet group of the International Computer Science Institute (ICSI) in Berkeley, CA and the University of California at Berkeley. Afterwards, from April 1995 until Oktober 1996 I worked at the multimedia department of the European Networking Center of IBM in Heidelberg and finaly, since November 1996, I work as a member of the multimedia research group at the University of Mannheim.