He holds an M.Sc. and a Ph.D. in computer science from TU Vienna. His research interests include push systems, mobile code, payment systems, World-wide Web, Internet/intranet systems and applications, programming languages, and distributed systems. After several jobs in industry in the fields of distributed applications, portability, and databases he joined TU Vienna as a research assistant in 1994. He is the principal researcher in the Minstrel push system project and a senior researcher in the OPELIX and MOTION EU projects. He is a member of IEEE and ACM.