Dr. Jack Plooij
Head of the clinic (dentist implantologist) – self-employed
Alongside his career in motorsport, Jack has always been active as a dental implantologist. He studied dentistry in Amsterdam and obtained his PhD in 1992 at the then KU Nijmegen based on research into the treatment effects of immediate overdentures and conventional immediate dentures. CDC knows Jack from the past, where he enjoyed working with the team back then. As of October 1, 2025, he is making his return to CDC as Chief of Clinic. Jack looks forward to working with the professional team to continue building high-quality dentistry and the best care for patients. *NVOI registered implantologist*
Giulio Ricceri
Dentist (endo specialty) – self-employed
Giulio studied Dentistry in Madrid and graduated from the University Alfonso X El Sabio in 2015. After a short work experience, Giulio moved to the Netherlands and gained five years of work experience. Giulio also further specialized in Endodontics, Aesthetic Dentistry, Prosthetics and Surgery. Giulio works 50% at CDC and 50% in a Clinic in Lombardy (Italy).
Karen Mulders
Dentist (cosmetic/aesthetic specialty)
Karen has been a dentist at CDC since 2001. After graduating from Utrecht University, she established her own practice in Zeist and later in Rotterdam. Her specialty is cosmetic/aesthetic dentistry. "At CDC, nine out of 10 patients are helped by patients who are afraid of the dentist. They've experienced unpleasant things, and by addressing them, you get so much satisfaction from your work. People are embarrassed by their teeth, and when you see them again, without fear or shame, smiling brightly, it's so wonderful!" Karen works very closely with the dental technicians in the in-house laboratory.
Dr. Zemarak Nabi
Dentist (implantologist) – self-employed
For both aesthetic treatments and complete dental restorations, you are in very good hands with Zemarak. As an experienced dentist and implantologist, he has specialized in this at CDC for over 16 years. Zemarak studied dentistry at the University of Bonn, Germany, specializing in implantology and aesthetic reconstructive dentistry. Zemarak: “People come to us from far and wide for complete dental restorations and/or aesthetic dental treatments. That makes working at CDC so interesting.” *NVOI registered implantologist*
Joana Duarte Pedreiras
Dentist (cosmetic/aesthetic specialty)
Joana comes from Portugal, where she successfully completed her university dental training. In 2021, Joana moved to the Netherlands with her boyfriend and has enjoyed working at CDC for years now. It's a wonderful challenge, and she's still grateful for it every day. "We strive for perfection in terms of bite, shape, and color. My colleagues from the laboratory also come into the room to see how the crowns or veneers look on the patient. Before we finally place any work, we can still make adjustments. We only place the crowns if the patient is completely satisfied. Moreover, the collaboration with the entire team is very pleasant. Only together can we provide the best care and work. We offer care for every problem and wish."
Dr. Jürgen Lortz
Dentist (implantologist) – self-employed
Dentist and specialist in implantology. Jürgen has placed over 15.000 implants in his career. He holds a Master of Science in Oral Surgery from NYU. He has been working at CDC for quite some time, and he's very satisfied with his work. He has his own practice in Germany, and he enjoys combining it with working in the Netherlands. He hopes to continue working with the professional team at CDC for a long time to come.
Jumana Adel
Dentist (restorative dentistry (aesthetics) and pediatric dentistry) - self-employed
When Jumana was young, she had such a nice and sweet dentist that she decided to give other patients a smile too. She graduated in 2016 and completed further training in pediatric dentistry. After her dental training, she took several courses in surgical treatments and restorative and cosmetic dentistry. She has a strong affinity for aesthetic treatments such as veneers,
Ray Socorro Martinez
Dentist (implantologist) - self-employed
Wibo Wijzenbeek
Clinical Prosthetic Technician / Lab Manager
Wibo has worked at CDC since 2001 and has a wealth of experience. He chose this profession in his younger years because he wanted to work in the medical field, help people, and be creative. When asked what he enjoys most about CDC, he says: "The direct contact with patients and the opportunity to create such diverse and challenging projects. It's wonderful that I can collaborate directly with my colleagues in our own in-house laboratory. A solution for every jaw!"
Coen Baas
Dental prosthetist
Coen's passion for dental technology arose when he was sixteen. He's always enjoyed working with his hands and appreciates the art of creating high-quality pieces. He's now been active in dental technology for eighteen years. Coen started at CDC as a rookie in the denture rebase and repair department. During his first years at CDC, he completed his dental technology degree at the DHTA in Utrecht. He's now been working at CDC for twelve years and has enjoyed working as the laboratory manager for the past four years. Four years ago, Coen successfully completed his Dentistry degree at Utrecht University of Applied Sciences. This allows him to maintain interaction with patients, which he truly enjoys.
Koen van Gerven
Clinical Prosthetic Technician
Koen started his dental technician career in 1998 and has since earned all his certifications, allowing him to progress to the position of KPT (Commissioned Dental Technician). Koen: “As a KPT, you're also chairside and have closer contact with your patients. This allows you to deliver even better, customized products. By giving patients a comfortable, familiar feeling, they're comfortable talking openly about their problems and wishes. If you listen carefully, a pleasant collaboration develops, leading to the best results. The best part of the job is a very satisfied patient who is happy to return to CDC.”
Marianne de Poorter
Care consultant / counter clerk
Do you have questions about your treatment? Are you still unsure or afraid? Do you want to schedule or reschedule your treatment? Then Marianne is more than happy to help. If anyone knows all the ins and outs of CDC, it's Marianne. She's been with us for 21 years and has a wealth of experience. We can safely say that no patient's story sounds strange to Marianne anymore. She understands better than anyone why people experience dental problems and what their needs are. Not to mention their fears. That's why it's so wonderful that Marianne is there for you, as a care consultant, especially.
André Silva
Dental hygienist
As a dental hygienist at CDC, André is passionate about helping patients achieve a healthy and confident smile. He focuses on prevention and gentle care, ensuring every treatment is as comfortable as possible. André has extensive experience treating both adults and children, tailoring his approach to each patient's needs. Building trust and guiding people toward lasting oral health is paramount to him. After all, isn't a radiant smile one of the best investments you can make in yourself?
Eva Janszens
Dental assistant / Preventive assistant
Eva trained as a dentist in Ukraine, where she also grew up. She has lived in Eindhoven for a few years now and is married to a Dutch man. Eva has a positive attitude and works with great passion and dedication. She is working on obtaining her BIG registration, which she will complete this year. She currently works at the clinic as a Preventive Assistant and a Dental Assistant.
Marja Zwaan
Periodontal Prevention Assistant
Marja has been working at CDC since 2006. She earned her preventive dentistry diploma in 2001, and in 2011 she wanted to broaden her knowledge by training as a periodontal prevention assistant. This makes Marja ideally suited to treating patients with periodontal indications, or extreme gum problems. What she enjoys about working at CDC is working with a large team. The diversity of treatments and patients makes the work very varied, every day.
Harriet Schapers
Managing Director
Harriët joined CDC as general manager in July 2025. She has worked in dental care for 30 years and has extensive experience managing a clinic. Her passion is high-quality patient care, including the necessary information and service. She does all of this with an enthusiastic, motivated team.
Joyce Nieuwlaat
Floor manager / Dental assistant
Job Teunis
Assistant Floor Manager / Dental Assistant
Marieke Prast
Sterilization manager
Sözgin Ahmad
Dental assistant
Amulbanin Mosawi
Dental assistant
Wendy Wijnen
Dental assistant
Daan Kessels
Dental assistant
Sandra Vereggen
Desk employee
Josje Koster
Desk employee
Monique Surdi
Desk employee
Yvette den Bieman
Desk employee
Julianne van Steenbergen
Office employee
Nathalie Kroonenburg
Office employee