Associate professor, vice chairman and graduate program director at the Department of Periodontology, University of Bern, Switzerland. License in dental medicine and his Dr. med. dent degree from the University of Bern. Graduate student in the Department of Periodontology and Fixed Prosthodontics in Bern. Postdoctoral research associate at the University of North Carolina at Chapel Hill, USA. In 1998 he became a board certified periodontist.