Our Team

All our staff at SmileDesigner are highly motivated and trained to the highest level. Dr. Christina von Massow and her colleagues work on the success of each individual treatment. They develop treatment plans together, control the process of the treatment and supervise what is executed by qualified orthodontic assistants.

Dr. Christina von Massow

Dr. Christina von Massow

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
Katja_Rahneberg

Dr. Katja Rahneberg

Dr. Katja Rahneberg

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

Dr. Christina von Massow

Orthodontist
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
Katja_Rahneberg

Dr. Katja Rahneberg

Orthodontist
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

Silvie

Practice Manager
Silvie is the practice manager of both our practices. A practice manager ensures that everything in the practice runs smoothly. You will hardly ever meet Silvie in the treatment rooms. Even if you don’t meet her during your treatment, she is an important support for the entire SmileDesigner team.
Viyanti_Hoogenboom

Viyanti

Front Office Manager
Viyanti is our head office manager and is one of the first faces you will encounter. In addition to welcoming you and helping you at our reception, she ensures that everything runs smoothly at the counter.
Estelle-Packbier

Estelle

Orthodontist Assistant
Estelle mainly works as a chair assistant, so you often meet her in the treatment room. Her specialty is lingual braces, but you can also come to her in the chair for other treatments.
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Samantha

Orthodontist Assistant
Samantha is our head assistant. In addition to helping you during a check-up or the placement of braces, she also ensures that everything runs smoothly in the treatment rooms.
Viyanti_Hoogenboom

Wendy

Orthodontist Assistant
Wendy is an orthodontic assistant and mainly works as a chair assistant, which means that you often find her in our treatment rooms. You can meet Wendy with all types of treatments.
Cindy-Janssen-Smiledesigner-Orthodontist

Cindy

Orthodontist Assistant
Cindy mainly works as a chair assistant, which means that you often meet her in the treatment room for all kinds of treatments. Anxious patients are well taken care of by Cindy. She likes to make apprehensive patients feel at ease and help them out of the chair with a smile.
Samantha-Verkade-Smiledesigner-orthodontist

Anna

Orthodontist Assistant
Anna is our Orthodontic Assistant. She mainly works as a chair assistant, which means that you often meet her in the treatment room. You can also encounter her during your online invisalign checkup.
Jessy

Jessy

Orthodontist Assistant
Jessy mainly works as a chair assistant, which means that you often meet her in the treatment room. You might encounter her when placing braces or when checking braces.
Cindy-Janssen-Smiledesigner-Orthodontist

Els

Circulating Assistant
Els is our circulation assistant. Els prepares the treatment room for each new patient. She ensures that the rooms are restocked and that clean instruments are used at all times.
Gaby-Hoogenboom

Gaby

Receptionist
Gaby is our desk assistant and is one of the first faces you will meet at SmileDesigner. You can register with her upon arrival, and you can always contact her for questions and making new appointments!