Meet The Team

At the core of our dental practice is a friendly team of professionals that are dedicated to your utmost comfort and optimal oral health.  We view each patient as a unique individual, and tailor each treatment to your specific needs.  As part of our commitment to providing close, personalized attention to every patient, we want to encourage patient communication.  Please know that we are here to provide outstanding patient care, and that we value the trust you have placed in us.





Martin C. Courtney, DDS

Dr. Martin C. Courtney received his Doctor of Dental Surgery degree from USC School of Dentistry in 1983. He has been providing excellent, gentle dental care to his patients for over 32 years. Dr. Courtney stays current with the latest advancements in the dental field by taking twice as many education courses as required by state law. Dr. Courtney is a member of the American Dental Association, California Dental Association and San Fernando Valley Dental Society.



Donna Markovich

Office Manager

Donna is the first point of contact you will meet either on the phone or in person at Dr. Courtney’s office. She comes to the office with over 30 years experience in the dental field. Donna started her career as a Registered Dental Assistant and found her true passion was working in the front office. However you may occasionally find her in the back office assisting Dr. Courtney when needed. When not in the dental office Donna enjoys spending time with her husband, 4 children and 7 grandchildren.


Wendy Sherter

Dental Hygienist

Wendy has been practicing in the dental field for over 30 years. Originally from Northridge but grew up in Arizona where she earned her Associates of Arts in Dental Assisting. A year later decided to earn her Bachelors of Art in General Studies. After graduating from University of Arizona she moved to Florida to enter to Dental Hygiene Program where she earned her Associates of Science of Dental Hygiene. Wendy is a member of the Ventura County Hygiene Association.


Jahne Franco

Registered Dental Assistant

Jahne was born and raised in the San Fernando Valley. She graduated in 1998 from Bryman College certified in dental assisting. She went on to continue her education and became a registered dental assistant in 2000. When she is not assisting Dr Courtney chairside, she spends her time traveling and exploring the coast.


Cristina Rodriguez

Cristina has been in the dental field for 26 years beginning her dental career while still in high school working as dental assistant. She then received her Bachelor’s degree in Dental Hygiene from USC, where she also went on to receive her Master’s degree in Public Health. After graduating dental hygiene school, she was invited to join the clinical dental hygiene faculty at USC and taught in dental hygiene clinic for almost seven years. She was also the faculty director for the USC Mobile Dental Clinic hygiene department and has done numerous international dental charity missions.
In her spare time, Cristina is training for the LA Marathon, a collector/wearer of vintage clothing, shopping antique stores and estate sales, and traveling to Mexico to visit family.

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