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Das Team

The team

the team

Hand in hand for your treatment success:
Our team consists of experienced orthodontists and practice staff.
We not only work well, but also gladly for you!

Dr. Simone Linden

Dr. Simone Linden

Specialist dentist for orthodontics

After taking up a double degree in human and dental medicine at the University of Düsseldorf, she focused entirely on dentistry from the time of her medical examination. After her license to practice dentistry, she continued her education to become a specialist in orthodontics, which she completed at Münster University Hospital and in the local practice. She has been a member of the permanent treatment team in our practice since 2012, and joined the practice as owner in 2021.


- certified specialist for lingual treatment with the WIN appliance
- certified specialist for lingual treatment with Incognito appliance
- certified specialist for treatment with removable transparent splints (Invisalign)

In her free time she enjoys sports and loves to travel the world.

Memberships and engagements
BDK, Professional Association of German Orthodontists
DGKFO, German Society for Orthodontics 
WFO, World Federation of Orthodontists

Dr. Gabriella Németh

Dr. Gabriella Németh

Specialist dentist for orthodontics

Ms. Németh completed her studies at Semmelweis University in Budapest and passed her specialist orthodontist examination in 2015. In 2016, she moved to Düsseldorf, where she worked as a salaried orthodontist in a dental clinic from 2017 to 2025. As a mother of a son, family plays a very important role in her life. She also enjoys discovering new cultures, has a passion for art, and loves classical music.


- certified specialist for treatment with removable clear aligners.

Dr. Raha Rejaey

Dr. Raha Rejaey

Specialist dentist for orthodontics

Ms. Rejaey studied dentistry at the University of Mainz. She subsequently worked in both general dentistry and orthodontics in Wuppertal before completing her specialist training at the University Hospital Halle (Saale). In her free time, she enjoys traveling and reading.


- certified specialist in treatment with removable clear aligners (Invisalign® and Orthocaps)
- certified specialist in lingual orthodontic treatment using the WIN appliance
- certified specialist in mini-implant anchorage (Benefit)

Miriam Gottwald

Miriam Gottwald

Billing and Administration


Ms. Miriam Gottwald is a qualified dental assistant specializing in reception and billing within the fields of dentistry and orthodontics. She ensures the smooth day-to-day operation of the practice and is always happy to assist patients with questions regarding appointments and billing.
In her free time, she enjoys traveling, is an active sport shooter in a local shooting club, and passionately follows every match of Borussia Dortmund.

Anette Abendroth

Anette Abendroth

Billing and Administration


Ms. Anette Abendroth is a dental assistant specialized in administration and practice management. With her organizational skills and friendly manner, she ensures the smooth running of daily practice operations and is always happy to assist patients with any questions.

In her free time, she stays fit through Pilates and swimming, valuing the balance between her professional commitments and personal well-being.

Lorena Herholz

Lorena Herholz

Office and appointment management


Ms. Herholz was once a patient at our practice herself and later decided to join our team. She is the main point of contact at reception and on the phone. With her friendly and helpful nature, she makes sure our patients feel welcome and comfortable from the moment they arrive. Even in stressful situations, she stays organized and, with her professional approach, finds a solution to every problem. In her free time, she enjoys spending time with friends, walking her dog, and strolling through the city.

Mehtap Yazir

Mehtap Yazir

Orthodontic specialist assistant


Ms. Yazir completed her training as a dental assistant in our practice and subsequently successfully obtained certification as an orthodontic specialist assistant. She is our hygiene officer and our expert in invisible treatment techniques such as aligners (Invisalign®) and lingual orthodontics (WIN®). In addition, she is responsible for 3D dental technology, including the virtual pre- and post-processing of models as well as 3D printing. After work, her great passions are sports, reading, baking, and her cats.

Mareen Borowetzke

Mareen Borowetzke

Dental assistant


Ms. Borowetzke did her training as a dental assistant in our practice. Even during her training, she was known for her sensitive approach to patients.
Ms. Borowetzke is well-versed in invisible treatment techniques such as aligners (Invisalign®) and lingual technology.
After work, Ms. Borowetzke's first order of business is sports. She finds relaxation best when strolling through fashion stores and boutiques.

Mohamed El Alaoui

Mohamed El Alaoui

Dental assistant


Mr. El Alaoui made the journey from Morocco to Germany to complete the training as a dental assistant in our practice - with success. He is a real all-round talent and works with heart and soul and a lot of humor. In his free time he likes to do sports.

Hoa Nguyen

Hoa Nguyen

Trainee dental assistant


Ms. Nguyen is originally from Vietnam and came to Germany to train as a dental assistant. In her free time, she enjoys traveling, reading novels and spending time in nature.

Duong Nguyen

Duong Nguyen

Trainee dental assistant


Mr. Nguyen made the long journey from Vietnam to Germany to complete his training as a dental assistant here. In his free time, he enjoys traveling and exploring the world. When he wants to relax at home, he prefers to watch action movies. 

Mete Ramantan

Mete Ramantan

Trainee dental assistant


Mr. Ramantan knew from an early age that he wanted to work in a profession centered around people.
He began his career in a general dental practice but soon found his passion in orthodontics. What inspires him most is not only the technical side of the field, but especially the opportunity to engage with patients of all ages. He is known for his warm, approachable manner, calm presence, and a strong willingness to continually learn and grow.

Engy Mousa

Engy Mousa

Trainee dental assistant


Ms. Mousa originally got to know our practice as a patient and was immediately fascinated by how each visit made her smile shine brighter. After completing an internship, she decided to begin her training with us as a dental assistant, a role to which she is fully committed with great enthusiasm. In her free time, she enjoys swimming or doing Pilates – the perfect balance to her workday in the practice.

Stefanie Struzik

Stefanie Struzik

Laboratory manager


After training as a dental technician, the mother of two children worked as a flight attendant and podiatrist for a long time before returning to her original profession. Today, Ms. Struzik manages our laboratory with great dedication and talent. After work, she enjoys spending time with her family, reading fantasy and science fiction novels and exploring the Bergisches Land region.

Waldemar Gutjar

Waldemar Gutjar

Dental technician


Mr. Gutjar is a dental technician with many years of experience in both conventional dental laboratory and orthodontic laboratory work. After several years working in both areas, he discovered his passion for orthodontic work and has since specialized further in this field. Through his precise and meticulous working style, as well as his strong manual skills, he is a valuable asset to our laboratory team.
In his free time, Mr. Gutjar enjoys sports, particularly endurance and strength training, and spends a lot of time with his friends.