Office Info Meet the Staff

We are especially interested in making all our patients feel right at home! We put your needs first to achieve efficient and comprehensive treatment. Our staff is trained and skilled, and we strive to provide energetic and fun-loving service to each patient. Each member of our treatment team is a registered assistant, and our office staff has years of experience in treating patients with the highest level of care. We strive to stay ahead of the very latest in technology and advances by regularly attending continuing education courses and seminars.

Lisa Klassen – Orthodontic Assistant/ Administrative Assistant

Lisa has wanted to expand her skillset within the office, so eagerly has taken on the role of Administrative Assistant.  She will be your first contact for the office.  She is a graduate from the Level II Dental Assisting program at Medix in London, Ontario and is certified with the Ontario Dental Assistants Association. Lisa is here to assist in welcoming you to our practice and is happy to share the orthodontic experience with you!

Evelyn Leistra – Lab Technician

Marcy Orthodontics boasts an in-house lab. Evelyn received her training from the Great Lakes Orthodontic Laboratory in Buffalo, New York. With 30 years of lab experience, Evelyn is available to meet your needs promptly and efficiently.

Melissa Marcy – Administration

Melissa has her BScN, BHSc and is an IBCLC with over 10 years of experience in Women’s and Children’s Care.  Melissa works in an administrative support capacity and is responsible for making the office a warm and caring environment for our patients and staff. Feel free to email her directly for any kudos or concerns at

Vanessa Sada – Administrative Assistant

Vanessa is currently enjoying maternity leave.  She is a graduate of the Medical Office Administration program at Fanshawe College.  She is one of the first faces you will meet at our London location.

Patti Strain – Orthodontic Assistant

Patti is a graduate from the Level II Dental Assisting Program at Cambrian College. Patti has worked in the orthodontic field for over 20 years and will help you through all aspects of your orthodontic care.

Sara Vandenbroek – Dental Hygienist

Sara is a 2015 graduate from the St. Clair College dental hygiene program and is currently licensed with the College of Dental Hygienists of Ontario. Sara is here to help you along your journey to a beautiful smile!

Judi Zarola – Dental Hygienist

Judi is a graduate of the Dental Assisting and Dental Hygiene programs at Fanshawe College in London, Ontario, and is licensed with the College of Dental Hygienists of Ontario. With over 18 years of orthodontic clinical and administrative experience, Judi is available to answer all your questions and concerns and is dedicated to making the orthodontic experience from your first visit to your final retainer check as pleasant as possible!

Take your smile to the next level!

We are here to help. Schedule a Consultation now!

Two convenient locations to serve you


218 Commissioner's Rd. W London, Ontario N6J 1Y1

(519) 685-3060


291 Talbot Street St. Thomas, Ontario N5P 1B5

(519) 207-3061