| 1990-1991 |
Assistant Professor, Philipps University Marburg/Germany, School of Dentistry, Dept. of Operative Dentistry and Pedodontics |
| 1991-1994 |
Assistant Professor, Clinic North, Free University Berlin, Dept. of Operative Dentistry |
| 1994 |
Graduation in Dental Public Health (MPHD) |
| 1994-1997 |
Assistant Professor, Charité, Humboldt University Berlin, School of Dentistry, Dept. of Operative and Preventive Dentistry and Endodontics |
| 1997-2003 |
Associate Professor, Charité, Humboldt University Berlin, School of Dentistry, Dept. of Operative and Preventive Dentistry and Endodontics |
| 2000 |
Graduation as Privat-Dozent in Operative and Preventive Dentistry (PhD) |
| 2001 |
Visiting scientist at the University of Kansas, USA, Center for Biomedical Research (J.J. Hefferren) |
| 2004-present |
Vice-chair of the Dept. for Operative and Preventive Dentistry, Heinrich Heine University Duesseldorf |
| Bibliography |
55 original articles, 38 abstracts, 87 review articles, 44 book sections, 4 books and monografies |