Head of the Distributed Systems Group

He is a full professor in Applied Computer Science at the University of Vienna, Austria, since 1985. He received his doctor degree in Technical Physics from Graz University of Technology in 1970. From 1980 until 1985 he was an Associate Professor in Computer Science at the Graz University of Technology. From April 1989 until March 1991 he was director of the Institute of Statistics and Computer Science at the University of Vienna. From 1996 until 1999 he was director of the Institute of Applied Computer Science and Information Systems. From January 2000 until September 2004 he was Dean of the School of Business, Economics and Computer Science at the University of Vienna. From October 2004 until September 2008 he was Dean of the Faculty of Computer Science at the University of Vienna. From 1989 until 1993 he was in function as president of the Austrian Computer Society. He was one of the three founding members of the Austrian Center for Parallel Computation (ACPC). He was also founding member of the Computer-Measurement-Group-Central-Europe (CMG-CE). He is a senior member of IEEE Computer Society, the Association for Computing Machinery (ACM), the Austrian Computer Society (OCG) and the German Gesellschaft für Informatik (GI).
He has published over 160 scientific papers and is coeditor of four books.
His research interests include performance evaluation of computer systems, distributed and communication systems,mobile communication, and cooperative work. He was and is leader of several national and international projects in these areas, covering both applied and basic research.