University degree in Sociology from the University of Bielefeld. Head of international ranking at the Centre of Higher Education (CHE) in Germany. He coordinates the international U-Multirank project.
His areas of expertise include: ranking, performance indicators, evaluation and quality assurance. Within the field of university ranking, his work focuses specifically on indicators related to the relevance of study programs to the labor market, as well as on coordinating the international expansion of the CHE ranking. In 2010, he was elected as Vice-President of IREG Observatory on Academic Rankings and Excellence.