Graduated at the Dental Institute, University of Zurich ; Switzerland. Postgraduate training in Fixed Prosthodontics and Occlusion. Assistant Professor and then, Senior Lecturer at the Department of Fixed Prosthodontics and Dental Materials of the University of Zurich (chairman : Prof. Dr. Peter Schaerer, M.S.), from 1976 to .1980. Visiting Assistant Professor (1980-1982) at the Departments of Oral Biology (Prof. Dr. A.G. Hannam) and Clinical Dental Sciences (Prof. Dr. W. A. Richter), Faculty of Dentistry, University of British Columbia (Canada). Since 1st October 1983, Professor and Head of the Department of Fixed Prosthodontics and Occlusion of the University of Geneva School of Dental Medicine. President of the Swiss Association of Prosthetic Dentistry from 1984 to 1988. Recipient of the Scientific Research Award of the Greater New York Academy of Prosthodontics in 2002. President of the European Association of Prosthodontics (EPA) from 2002 to 2003. 2006 Visiting Professor, Harvard University (Boston, USA), Department of Restorative Dentistry and Biomaterials Sciences (Prof. Dr. H. P. Weber). Research activities in the fields of implant dentistry, with special emphasis on esthetics and latest developments in the field of CAD/CAM technology and high performance dental ceramics, as well as on adhesive reconstructive dental medicine.