Dr. Jonathan Mahn, B.Sc., D.D.S., Cert. IV Sedation


Dr. Jonathan M. Mahn (Dr. Jon) joined the Paris Dental Centre in July of 2008. He is a general dentist who has completed additional training in the administration of intravenous sedation, as certified by the Royal College of Dental Surgeons of Ontario.

Jon’s practice is limited to treatment under IV sedation and surgery, including extractions and dental implants. Aside from surgery, his practice focuses on treatment of patients with significant anxiety or phobia regarding dental procedures, from simple dental cleanings to extractions. His goal is to reduce or eliminate patient anxiety as a barrier to seeking treatment. He also maintains active privileges at Brantford General Hospital and is part of Brantford’s dental “on-call” team.

Jon graduated with a Bachelor of Science degree in Biology from McMaster University in 2003. He completed his Doctor of Dental Surgery degree in 2007, graduating from the Schulich School of Medicine & Dentistry at University of Western Ontario.

Dr. Jon was fortunate to be accepted as a General Practice Resident at Sunnybrook Health Sciences Centre in Toronto where he received additional training and certification in Intravenous Sedation, Oral Sedation, Nitrous Oxide administration, and Advanced Cardiac Life Support (ACLS). He had the opportunity to work daily and train with multiple specialists throughout the year at the hospital’s Department of Dentistry. During his residency, Jon’s training focused on oral surgery and the treatment of medically compromised patients.

Jon is actively involved in organized dentistry, chairing the ODA’s Student Services Committee, serving as Brant’s Councillor to the ODA since 2009, guest lecturing at Medix College Dental Assisting in Brantford, and serving on Niagara College’s Professional Advisory Committee, among others.

Jon and his wife Joanna were married in 2007 and have twin boys, Benjamin and Elijah, and a little girl, Larissa. Jon completed his Grade 10 Certificate in Piano from the Royal Conservatory of Music and Personal Trainer Specialist Certificate from CanFitPro. He loves tennis, table tennis, weight training, gardening, travelling and spending time with his wife and children. In his free time, Jon plays organized basketball and softball, hikes and mountain bikes with kids in tow, and enjoys the outdoors with his family to the fullest.

Dr. Alicia Gertig, D.D.S.


Dr. Alicia Gertig’s life-long interest in dentistry was inspired by her father, Dr. Hans Gertig, who practiced in Brantford. “He built long lasting relationships with his patients and I hope to develop that same relationship with my patients.” As a graduate of the University of Western Ontario in 2003, Dr. Alicia was pleased to join her father in his practice until he retired. Dr. Alicia is excited to have joined the team at Paris Dental Centre.

Dr. Alicia enjoys practicing all aspects of dentistry and has a special touch for children. “I love treating entire families and have a special place in my heart for children as I strive to make their visits to the dentist a fun, positive experience.” Patients comment on her cheerful, enthusiastic and caring attitude and the laughter they hear coming from her room!

Outside of dentistry, Dr. Alicia and her husband are busy at home with their newest additions to their family son Jonathan and adoptive daughter Alexandria! In her spare time Dr. Alicia enjoys sharing a meal (and a laugh!) with her family or enjoying time with their two English Setters, Fergie and Philip.

Dr. Nicole Marchand, B.Sc., D.D.S.


Dr. Nicole Marchand (Dr. Nicole) was born in Brantford and attended Assumption College School. She then pursued her studies at the University of Western Ontario where she received her B.Sc. in Biology graduating on the Dean’s Honour List. Continuing her education at Western she received her Doctor of Dental Surgery degree (with distinction) in 2008. She joined the Paris Dental Centre team in 2010.

Dr. Nicole believes in comprehensive dental treatment focusing on preventive care. Her kind and caring personality ensures that each patient experiences the most comfortable and relaxed dental treatment. She is very gentle making even the most anxious patients at ease.

Dr. Nicole is continuously improving her skills by taking many continuing education courses expanding her knowledge of advanced dental techniques. Aside from dentistry she enjoys traveling, skiing, soccer, shopping, jogging, and spending time with her family.

Dr. Mauricio Berco, D.D.S., DMSc, FRCD(C)


Dr. Mauricio Berco studied at Harvard University where he received his Doctorate of Medical Science (DMSc) degree and a Certificate in Orthodontics. Prior to returning home to Canada, he worked as an orthodontic associate in the greater Boston area. He earned his Doctor of Dental Surgery (DDS) from the University of Toronto, where he also attained an Honours Bachelor of Science (HBSc) in human biology. Throughout his career, he has been recognized with several awards of distinction, including the Gordon Cressy Leadership Award, CDA Oral-B Scholarship, Human Anatomy Award, and T-Holders Academic Excellence Awards.

Dr. Berco’s research interests have expanded both the medical and dental fields. Most recently he has been investigating the use of cone beam computed tomography in orthodontic diagnosis and the assessment of facial balance.

Dr. Berco is a Diplomat of the American Board of Orthodontics, Fellow of the Royal College of Dentists of Canada, and registered Orthodontic Specialist with the Royal College of Dental Surgeons of Ontario. Moreover, he is an active member of the Canadian Association of Orthodontists, the American Association of Orthodontists and the Harvard Society for the Advancement of Orthodontics.

In addition to his academic interests, Dr. Berco has always been involved in various sports activities including basketball, soccer, snowboarding, and tennis. He enjoys exercising on a regular basis and spending time with his wife and colleague Dr. Stephelynn DeLuca and children Mia and Lucas.

Dr. Ryan Margel, DMD, MS, FRCD(C)

Dr. Ryan Margel, DMD, MS, FRCD(C) is our Endodontist who specializes in root canals. Originally from Toronto, he graduated with distinction from York University with a major in Mathematics. In 2009, Dr. Margel obtained his dental degree from The University of Pennsylvania. He then went on to work as a general dentist for two years prior to embarking on a two-year specialty program at Marquette University in Endodontics. His Masters thesis investigated the anatomical complexities of molar root canals. Dr. Margel is a Fellow of the Royal College of Dentists of Canada, and a member of The American Association of Endodontists. In his spare time, he enjoys sports, exercise, and traveling.

Dr. Roland Leung, MSc, D.D.S.

Dr. Roland Leung earned his Honors Bachelor of Science with distinction in Immunology followed by a Master of Science degree at the University of Toronto. He completed his Doctor of Dental Surgery degree with distinction at the University of Western Ontario and was Dr. Jonathan Mahn’s classmate, graduating in 2007. He has won numerous academic awards and honours throughout his career to date.

He returned to the University of Toronto to complete his speciality training in Periodontics combined with a PhD in bone biology, during which he published in top-rated scientific journals.

Dr. Leung will be a tremendous asset to Paris Dental Centre as a periodontal specialist who can treat all periodontally compromised patients for recession, pocketing, complicated esthetic surgical treatments, sinus lifts, implants, bone grafting, soft tissue grafting, and implant issues.

Dr. Nicolas Economopoulos, B.Sc., D.D.S.


Dr. Nicolas Economopoulos grew up in Toronto and earned both Honours Bachelor of Science and Master’s degrees in Molecular Genetics at the University of Toronto. He found his passion for dentistry during his Master’s after realizing that it combined his love of science, medicine and art. He completed his Doctor of Dental Surgery at the University of Toronto, graduating with distinction.

Dr. Nic makes his patients a top priority and aims to make every dental visit an enjoyable experience. He treats his patients with compassion and is always willing to listen to their concerns. He is grateful for the opportunity to team up with his patients and help them achieve their oral health goals. He is also committed to furthering his education so that he can provide his patients with the best of evidence-based care.

When he is not in the clinic, Dr. Nic loves spending time with his wife Amanda and their cat Ollie. He also enjoys running, reading, board games and bowling.

Dr. Marianne Sulistyo, B.Sc., D.D.S.

Dr. Marianne is a native of Indonesia and grew up in Vancouver, BC. While attending high school, she led tour groups to the Middle East, Israel, Egypt, France and Italy. During her time studying for her Bachelor of Science degree at University of British Columbia she enjoyed singing in a classical music choir and often modeled traditional costumes for the Indonesian embassy. After completing her Bachelor of Science, she began studying dentistry at New York University where she graduated summa cum laude. When she had any time away from her studies, she enjoyed Broadway shows, museums, and finding hidden restaurant gems.

In 2018, Dr. Marianne moved to Paris to practice general dentistry at Paris Dental Centre where she joined her cousins David and Jon Mahn and Uncle Mark Mahn.

She sees many of Dr. Mark Mahn’s patients as he is now retired.  Dr. Marianne is a kid and animal magnet and loves working with the kids and staff of Smile City.

Dr. Amy Lui, M.Sc., D.D.S.

Dr Amy Lui was born in Hong Kong and at the age of four she immigrated to Toronto with her family.  She graduated from The University of Western Ontario with her undergraduate  degree in Biology, an Honours in Pharmacology and Toxicology and a Master’s of Science degree in Pharmacology.  She received her Doctor of Dental Surgery degree in 1996 also from Western.  During her dental program she was recognized and awarded for excellence in Pediatric Dentistry.  Upon graduation, she was accepted to Harvard University in Boston, Massachusetts and completed a residency in General Dentistry at Massachusetts General Hospital and Brigham and Women’s Hospital.  This residency provided her with advanced training in all the specialties of dentistry including oral surgery, anesthesia, and treatment of medically compromised patients.

Following completion of her residency she served as an attending General Dentist at Brigham and Women’s Hospital Dental clinic and maintained a successful private practice in Peabody (a suburb of Boston, Massachusetts) for 14 years before relocating back to Toronto to be closer to her elderly parents and family.

When not practicing dentistry she can always be found doing something with friends and family.  She enjoys cooking and trying new recipes, camping, fishing but most of all spending time with her family.

She is passionate about providing the highest level of care for her patients while tailoring the experience to meet each individual’s unique needs. She looks forward to meeting and serving patients at Paris Dental Centre.

Dr. Ihab Kodsi, HonBSc, DDS, FRCD(C)

Dr. Kodsi grew up in Toronto where he completed an Honours Bachelor of Science degree in Biological Sciences at the University of Toronto, graduating with high distinction. He received his Doctor of Dental Surgery degree with distinction from the University of Western Ontario, completing all years with honours and graduating with awards in prosthodontics and pediatric dentistry. He went on to continue his training at the University of British Columbia in a one-year hospital-based dental residency program with advanced training in all aspects of dentistry including clinical and didactic training in conscious sedation.

After practicing in the Greater Toronto Area for several years as a general practitioner with a focus on oral surgery, Dr. Kodsi went on to complete a full-scope specialty training program in oral & maxillofacial surgery at McGill University which included extensive training in all aspects of oral & maxillofacial surgery including dentoalveolar surgery, orthognathic surgery with virtual planning, treatment of maxillofacial trauma, oral preprosthetic and implant surgery, head and neck pathology, maxillofacial oncology and reconstructive surgery, temporomandibular joint dysfunction, deep sedation and general anesthesia.

Dr. Kodsi is a fellow of the Royal College of Dentists of Canada, maintains a specialty license with the Royal College of Dental Surgeons of Ontario and is a clinical instructor at the University of Toronto’s Faculty of Dentistry.  He is a member of the Canadian Association of Oral & Maxillofacial Surgeons, the Ontario Society of Oral & Maxillofacial Surgeons, the Canadian Dental Association, the Ontario Dental Association and the ITI International Team for Implantology.

Dr. Emily Hazell, B.Sc., D.D.S.

Dr. Emily

Dr. Emily Hazell grew up in Paris, Ontario. She earned her Bachelor of Science degree in Biomedical Science at the University of Ottawa, and went on to receive her Doctor of Dental Surgery degree at the University of Toronto. Emily continued her studies at the Eastman Institute of Oral Health, in Rochester, New York, completing her Advanced Education in General Dentistry Residency. She received training under multiple dental specialists. Emily gained experience in oral surgery, the placement and restoration of dental implants, and aesthetic dentistry.

Emily is passionate about access to dental care. She has been fortunate to provide care through programs such as Oral Health Total Health, and Junior Smiles locally. Emily has also had the opportunity treat patients in remote areas in Tanzania, and train dental students at Addis Ababa University, Ethiopia.

Outside of dentistry, Emily enjoys skiing, cycling, travelling, and spending time with her family and friends. Dr. Emily is excited to join the team at Paris Dental Centre alongside the dentists who have mentored her throughout her education. Emily is looking forward to serving her patients and the community she grew up in.