Our Team

Dr. Paul Koltronis, B.Sc., D.M.D.

Dr. Courtney Ziehr, Dip. D.H., D.M.D.

Dr. Alex Hyatt, Ph.D., D.M.D


Diane Townsend, R.D.H.
Dental Hygienist

Diane’s enthusiasm and passion for her profession as well as her commitment to excellent care is contagious. Diane hails from Ontario, having lived in the most remote locations of the province to its biggest city of Toronto. In Ontario, Diane attended Cambrian College in Sudbury, Brock University in St. Catherines and Georgian College in Orillia. She has literally worked her way across Canada, finally fulfilling her lifelong dream of living by the ocean. She has been a Registered Dental Hygienist since 1989. Many of you may have had the pleasure of meeting Diane already as she has worked with Dr. Koltronis in Nanaimo since 2006. Diane is committed to continuing education and staying current with new science and technology relevant to her profession.

Danielle Pisto, R.D.H.
Dental Hygienist

Danielle graduated from Camosun College in 2015. As a new grad, she is up to date on the most recent dental information available. She received the Professionalism award for her class, and prides herself on being professional and friendly. She participates in many volunteer hygiene programs, such as Gift From the Heart. Currently, Danielle is working towards her degree in Dental Hygiene and is committed to continuing her education. She is a strong believer of working collaboratively with patients in order to help them improve their oral health,  and that there is a link between oral health, and overall health.
Danielle grew up in Comox on Vancouver Island and loves being an Island girl, as well as a health care provider.

Teghan Desaulniers  
Certified Dental Assistant and Hygiene Co-ordinator 

Teghan graduated from Vancouver Island University in 2013 with a Scholarship of Excellence in Chairside Assisting and joined our practice in January of 2015. She has proven an invaluable asset to our team. Teghan will be your liason between Gabriola and Nanaimo and can assist you in booking appointments in both locations. Teghan employs the highest standards of asepsis and infection control to assure your safety and peace of mind. Gabriola Island is a perfect match for her and her free spirit. She enjoys her time at work, as well as leisure time on the island.