Administration/Certified Dental Assistant

Cheryl is one of the first people you will meet at the Advance Dental Group. She has worked in dentistry since 1987 as a Certified Dental Assistant and office administrator.

Cheryl’s friendly manner helps patients feel at ease with all their dental needs. She takes time to explain treatments, answer patients’ questions, and to encourage them to practice good dental hygiene. Cheryl really enjoys her job and the opportunity of getting to know the clients.

Cheryl has worked with Dr. Macdonnell since 2004 and really appreciates being part of the office team. She finds it very rewarding to see Dr Macdonnells completed treatments and the smiles that come with it!
Cheryl is married and has two very active boys. After work and on weekends, you can often find her at the hockey rink, soccer field or golf course. In her spare time Cheryl likes to walk, golf, and spend time with family and friends.



Teresa has over 15 years of experience as a dental administrator and has worked with Dr Macdonnell at the Advance Dental Group since 2005. Teresa is a wealth of knowledge and can answer all your questions concerning dental insurance and other administrative issues. Teresa loves to read, bike, camp and spend time with her growing family. She enjoys touring the many wineries the valley has to offer, sipping wine and taking in the many vistas that the Okanagan Valley has to offer.


Hygiene Coordinator/Reception

Sajra was born and raised in Bosnia Hercegovina until she was the age of 4 and immigrated to Canada due to the conflict in 1993. She lived in Saskatoon, sk for over 23 years. Recently new to Kelowna, Sajra enjoys touring the many winery’s and fruit stands and spending the summer with her family and friends at Skaha lake.



Maria grew up in Kelowna and graduated from the C.D.A. program at Okanagan College in 1988. She spent 6 years working in pediatric dentistry, general practice and ortho in Vancouver. Upon moving back to the sunny Okanagan, she assumed the position of Hygiene Co-ordinator and office administrator. Married to Dr. Macdonnell since 1994, they have 4 sons. When she’s not in the office, she enjoys spending time with family and friends, golfing, volunteering in the community and travelling. Maria brings energy, enthusiasm and experience to the team at Advance Dental Group.


Certified Dental Assistant

Brittany graduated from the Certified Dental Assistant program at Okanagan College in 2022. Being a new CDA she is eager to grow her knowledge in the field of dentistry and takes every opportunity to do so. Brittany loves getting to know new and old patients at Advance Dental Group. Born and raised in Kelowna, she couldn’t imagine calling anywhere else home. Outside of work she loves the outdoors, riding horses, and spending time with friends and family.


Certified Dental Assistant

Mackenna is a recent graduate of the Certified Dental Assisting program at Okanagan College in Kelowna. She was born and raised in the Okanagan and spends most of her time enjoying the beauty of it. From skiing, ice hockey, and tobogganing in the winter, to hiking, swimming, and paddle boarding in the summer, outdoors are her passion. Add local wine touring to that and you’ve described her perfect Saturday. Mackenna is eager to continue growing in her knowledge of dentistry and excited to meet and get working with all of our patients here at Advance Dental Group.


Certified Dental Assistant

Taylor graduated from the Certified Dental Assisting program at the Okanagan College in 2009 and has been with Dr. Macdonnell and the Advance Dental Group ever since! Taylor is one of the friendly faces that you will see assisting during your appointment with Dr. Macdonnell. Her professionalism and kind manner puts patients at ease. Taylor enjoys the diversity of her job and the opportunity to meet so many interesting people. Taylor loves outdoor activities such as dirt biking, camping, hiking and snowboarding. She also enjoys playing guitar and reading.


Certified Dental Assistant

Rachael is a graduate from the Okanagan College Certified Dental Assisting program. As a new C.D.A. she is eager to start her career and learn new information about the world of dentistry. She looks forward to building relationships with new and old patients of the Advance Dental group family.
Born and raised in the Kelowna, she has a passion for the beautiful Okanagan. Outside of work she enjoys spending her time camping, hiking, and surfing on Okanagan lake! Rachael is known for her bubbly personality and is easy going which makes her very approachable and a great asset to our team here at Advance Dental Group!


Registered Dental Hygienist

Jillian was born and raised in a small town in rural Manitoba. She moved to Ontario to pursue her education and graduated from the Canadian Academy of Dental Hygiene in 2015. After graduating she relocated to the beautiful Okanagan and can say she doesn't miss prairie winters!! She has a calming personality and enjoys providing education to patients to achieve optimal oral health. In her spare time she enjoys snowboarding, playing a variety of sports and spending time with family and friends. Being the newest team member at the Advance Dental Group Jillian hopes to meet you soon!


Registered Dental Hygienist

As a young girl in Kelowna, Kat was seeking solutions to insecurities with her smile. Her childhood visits to her dentist at that time inspired her to pursue an education in dental hygiene—and now that she's graduated from the Toronto College of Dental Hygiene, she returned to Kelowna, joining our team to help patients maintain and enhance confidence in their smiles and oral health.


Registered Dental Hygienist

Kristen was born in Smithers BC and moved to Kelowna at 6 years of age. After graduating from high school, she pursued a career as a Legal Assistant in Victoria before moving to Australia to travel. Once back in Kelowna, Kristen decided to make a career change and moved to Ontario to pursue a career in a field that she is truly passionate about, dental hygiene. After graduating from The Canadian Academy of Dental Health in Mississauga she is back in her hometown and enjoying everything Kelowna has to offer. Outside of office hours you can find her passionately watching and playing soccer year round, skiing, hiking, and enjoying Kelowna’s restaurants and wineries.