Dr. Daniel Sullivan (HBSc, DDS)
Dr. Daniel Sullivan received his Doctor of Dental Surgery from the University of Western Ontario, and graduated with distinction. Before attending Western, he received his Bachelor of Science in Biology from Dalhousie University, 2 hours from where he grew up in New Brunswick. Dr. Sullivan takes pride in helping his patients achieve their aesthetic and functional needs, whatever they may be, and believes in a team-orientated approach that includes the patient’s wishes and input at the forefront. In his spare time, Daniel likes to golf, stay active at the gym, try new restaurants, and of course catch up on TV shows!
Dr. Dusa Sorichetti (BDS, MSc, MEng)
Dr. Sorichetti completed her Bachelor of Science in Biology degree at the University of Waterloo and then went on to complete two Master’s degrees (Master of Science followed by Master of Biomedical Engineering, University of Western Ontario). Dr. Sorichetti’s research findings of how salivary proteins can be used to predict and control oral diseases resulted in multiple first author publications in top dental journals.

Dr. Sorichetti was given the opportunity to study dentistry in Australia at James Cook University. She enjoyed the sunshine as she completed clinical rotations at three different dental clinics across Queensland. Dr. Sorichetti’s personal dental philosophy is built entirely around a patient-centred approach, where she considers patients’ best interests and designs patient-specific dental treatment for patients of all ages. In her spare time, Dr. Sorichetti enjoys travelling with her husband and spending time with her family.

Dr. Tarlan Khorram-Nezhad

Dr. Tarlan holds a Doctor of Dental Medicine from Boston University. As a general dentist, she enjoys all disciplines of dentistry with a strong passion for Pediatrics and Restorative dentistry. Dr. Tarlan is a member of the Canadian Dental Association, the Ontario Dental Association, the Royal College of Dental Surgeons of Ontario and the American Academy of Implant Dentistry. In her free time, she enjoys spending time with her family, and she loves to swim.

Jessica Diniz
Jessica is a graduate from the Dental Assisting program at Everest College. Jessica brings over 10 years of dental experience as a Dental Assistant, Dental Administrator, Treatment Co-Ordinator and Office Management to Northern Horizon Dental. When not at the office, Jessica enjoys travelling and spending time with her husband, daughter, family and friends.
Denise Foley 
Denise graduated from Durham College from the dental assisting program. She has 25 years’ experience in the dental field as a dental assistant and receptionist. Denise, our patient coordinator, works at our Innisfil location. Denise loves to spend time with her husband and 2 boys playing sports, camping and enjoying the outdoors.
Pamela Bunn
Pamela has over 20 years in the customer service industry and is happy to be a part of such a dynamic team here at Northern Horizon Dental. She has an infectious smile and happy and positive demeanour that will welcome you with every visit. Pam looks forward to serving the Innisfil and area residents as she’s called the area home for over 30 years. In her spare time, she enjoys time with her beautiful daughter and family and friends.
Jennifer Kokko
Jennifer graduated from Georgian College in 2015 as a certified dental assistant. In her spare time she enjoys spending time with her 2 children, family and friends.


Alyssa Tubman
Alyssa graduated from Georgian College in 2011 as a certified level II dental assistant. She is a member of the Ontario Dental Assistants Association. As a certified dental assistant, you make a commitment to stay up-to-date in your knowledge and skills. Alyssa enjoys participating in continuing education courses and staying current with the most recent dental products as well as the newest technologies. “I’ve learnt that education follows you your entire life and I’ll continue just that” She enjoys spending time with her family,friends as well as her beloved cat, Chestnut; horseback riding, working on the farm and besides the love of dentistry, she gives it all to animals.
Michelle Quinto
Michelle graduated from George Brown College in June 2013 with honours. She is a member of the CDHO (College of Dental Hygienist of Ontario) and CDHA (Canadian Dental Hygienist Association). Michelle enjoys meeting and getting to know the members of her community and is excited about achieving optimal oral health. Michelle continues to improve her education by attending workshops, seminars and online training to ensure that her knowledge is always up to date. On her free time, Michelle enjoys spending time with her husband, family and friends. She enjoys creative hobbies such as singing, playing piano, guitar, and Zumba.
Amanda Gagliardi
Registered Dental Hygienist. Photo & bio coming soon.

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We care about helping you with your dental needs in a patient-focused manner. Whether you just moved to the area or you are looking for a new family dentist for you and your children, we’re confident that you will love what we have to offer.


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