Rüdiger Rolf is working since 2002 for the Institute for Information Management and Virtual Teaching of the University of Osnabrück (short: virtUOS). He is working as a project manager and software developer in the area of educational media. The main focus here is on lecture recording with the Opencast opensource software. Osnabrück is one of the main contributors within the Opencast Community and Rüdiger is member of the Opencast board since 2011.