Scroll further to meet the rest of our team!

Dr. Christina von Massow


Dr. Katja Rahneberg

Dentist for Orthodontics


Practice Manager


Front Desk Manager


Orthodontist Assistant


Orthodontist Assistant


Orthodontist Assistant


Orthodontist Assistant


Orthodontist Assistant


Orthodontist Assistant


Circulating Assistant



Dr Christina von Massow

BIG number: 19065768702

2017 – 2019 Post doctoral study in Master of Science Lingual Orthodontics at Prof. Dr. Schwetska-Polly and Prof. Dr. Wiechmann at the MHH Hannover
2018 Opened second practice in the Groot Hertoginnelaan
2013 Opened own practice “Smile Designer” in Den Haag
2007 – 2013 Employed as an orthodontist for multiple practice in the Netherlands
2006 – 2009 Worked as an orthodontist in the group practice of Prof. Dr. Hinz in Herne
2006 Graduated as an orthodontist from the Faculty of Dentistry Saarland University
2001 – 2006 Post doctorate training orthodontics
2001 Promoted to Dr. med. dent.  
2000 Graduated as a dentist from the Hannover Medical School – MHH

Dr. Katja Rahneberg

BIG number: 39927285202

Since 2020 Working at “SmileDesigner” Den Haag
2008 – 2018 Employed as orthodontist for multiple practices in London, UK
2008 – 2018 Employed at King’s College London “Queen Mary’s Hospital”, UK
2011 Graduated as orthodontist from the Faculty of Dentistry Frankfurt/Main
2008 – Member of Royal College of Surgeons, England
2008 Graduated from King’s College London with MSc in Orthodontics
Graduated from Royal College of Surgeons, England with MOrth
2005 – 2008 Postgraduate training in Orthodontics at Kings College, London
2005 Promoted to Dr. med. dent.  
1997 – 2003 Working as dentist in practice in Germany
1997 Graduated as dentist from FSU Jena, Germany