– April 2021: Foundation of Implant Center Dr. Ruppin & Kollegen, Penzberg, Germany

– 2018: Appointed to the mentor program of the German Society for Implantology (DGI)

– 2015: Recognition as a certified specialist in implantology by the European Dental Association

– 2009 to March 2021: Head of the Masur Implant Center, Penzberg

– 2007 to 2009: Worked as oral surgeon in practice clinic for implantology, oral and maxillofacial surgery and plastic surgery, Munich

– 2001 to 2007: Training as a specialist in oral surgery with treatment focus on implantology and prosthodontics, private outpatient clinic of Prof. Dr. Dr. Riediger; teaching and research work with focus on 3D diagnostics and computer-navigated implantology, University Clinic of RWTH Aachen University

– 1999 to 2001: Assistant dentist, Freiburg

– 1998: State examination and doctorate at the Albert Ludwigs University in Freiburg im Breisgau, Germany