Dr. med. dent. et Dr. scient. med. Herwig Köstenberger, Orthodontist NEBEOP
- 2016 Diploma examination in dentistry (Dr med. dent.), Medical University of Graz - Austria
- 2020 NEBEOP final examination (Network of Erasmus Based European Orthodontic Postgraduate Programmes) orthodontic specialist training, Medical University of Graz - Austria
- 2023 Doctorate in medical sciences (Dr scient. med.), Medical University of Graz - Austria
- Since 2022 Assistant doctor, Stadelhofen Orthodontics, Dr med. dent. Felix A. Rohrer, Zurich