Johannes is a former member of the Requirements Engineering Research Group at the Department of Information Technology of the University of Zurich.

Johannes Ryser received a MS in computer science and economics (lic. oec. publ.) from the University of Zurich, Switzerland, in 1996. From 1997 to 2001 he was a research assistant at the Department of Informatics of the University of Zurich. He is currently with Swiss Re.

In 2002, he finished his PhD thesis on scenario-based validation and testing of software. His research interests include requirements engineering, scenario-based RE, validation and verification and testing of software systems.