- Professor, Department of Orthodontics, University of Duesseldorf, Germany
- 200 published articles and textbook chapters
- More than 300 lectures and courses in 70 different countries worldwide.
- Editorial Board Member for the Journal of Clinical Orthodontics, the Journal of the Asian Pacific Orthodontic Society, the Journal of Aligner Orthodontics
- Active membership in the Angle Society (Eastern Component)
