I received my master degree at the University of Passau, Germany in 2008. While my study period, I was the voted leader of the student representatives of the Department of Informatics and Mathematics at the University of Passau. As master thesis i implemented a Java based authoring tool for generating interactive videos on the basis of the Eclipse RCP leading to the iVi-Pro project. From November 2008 until April 2012, I was involved in the THESEUS Medico project as a third-party researcher. Since May 2012, I am leading the work package for Data Querying, Aggregation and Provenance in the FP7 CODE project. Further, I am member of the W3C Media Annotations Working Group as invited expert.