Our Team

Our team at Dr. DR MARK CORNELIOUS's Office.

Dr. Mark Cornelious (DDS-Doctor of Dental Surgery)


Dr. Cornelious graduated from the University of Toronto Dental School in 1995. Returning to his hometown of Sarnia he worked with Dr. Brian Marsh for 2 years before taking over the practice on his own. Over the past 10 years he has also participated in 4 dental missions to Guatemala to provide free dental care to the poor in rural villages.

Ipek Williamson (Receptionist)


Ipek (pronounced Eepek) is our receptionist and is often the first person patients will meet when they walk through the door. Her friendly personality will also greet patients on the phone and help with managing their appointments. 

Bonnie (Certified Level 2 Dental Assistant)


Bonnie is one of the dental assistants at our office. She helps Dr. Cornelious with all aspects of dental care for both adults and children. Bonnie is very thorough in explaining procedures to patients. She is excellent at walking patients through what a procedure entails so they are fully informed. This can be especially important for young children so they do not experience any unwanted surprises.

Julie Dolbear (Certified Level 2 Dental Assistant)


Julie is another of our dental assistants at the office. She also helps Dr. Cornelious with patient care on a daily basis. Maintaining optimal dental care throughout the office and during patient visits. State of the art sterilization procedures are carried out after each patient visit.

Jeanie (Dental Hygienist)


Jeanie is the dental hygienist at the office. With a delicate and caring touch she manages our patients hygiene needs. "Hygiene Jean", as she is known, strives to keep our patients oral health in excellent condition. Utilizing manual and ultrasonic scaling techniques she keeps our patients smiles sparkling. Jean also helps inform patients of the best at home care they can use to maintain their terrific smiles.

Annual Musky Hunt (Staff fishing trip on Lake St Clair)