
Dr. Jeffrey L. Brown
Dr. Jeffrey L. Brown grew up in Maine and attended Bowdoin College, graduating magna cum laude in 1982. He earned an early decision acceptance to the Georgetown University School of Dentistry and graduated in 1986. While at Georgetown, Dr. Brown assisted the neurology department on a research project studying nerve tissue regeneration in the spinal column following major trauma.
Upon graduating, Dr. Brown briefly worked as an associate at another dental practice in Falls Church. He then established his own practice in Arlington’s Fairlington neighborhood, growing it into one of the largest on the East Coast.
Following a brief sabbatical to help raise his four young children and advance his education, Dr. Brown began deeply studying sleep apnea and its correlation to TMJ disorders. His advanced understanding of the interconnected fields of TMJ, sleep and orthodontics provides a comprehensive perspective that sets him apart from traditional general practitioners.
He also mastered advanced airway expansion techniques to improve breathing in both children and adults. He continued his specialized training at the renowned Sleep Center near Emory University Hospital. Dr. Brown is a certified Fellow of the American Academy of Craniofacial Pain, holds Legacy status with the ALF Interface Academy, and is an active member of numerous other professional organizations.
Meet Our Team
When you visit Sleep & TMJ Therapy, you will be welcomed by a highly trained and experienced team dedicated to your care. Our friendly and knowledgeable team works closely with our TMJ specialist and sleep apnea dentist in Falls Church, VA, to provide the care you need and ensure a positive experience. We will gladly attend to your comfort and help you understand your treatment options.
For your convenience, we speak both English and Spanish, and you can get to know each member of our team below. To schedule an appointment for sleep apnea or TMJ/TMD treatment in Falls Church, VA, near Washington D.C., call 703-821-1103 today.
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Karina
Certified TMD Dental Assistant
Karina is our lead assistant and manages all lab cases here at Sleep & TMJ Therapy. She started working with Dr. Brendan Stack in 2008, gaining invaluable experience in the specialized fields of TMJ, sleep apnea, and orthodontics. Honored to have observed and learned from his work over the years, Karina is dedicated to sharing this advanced knowledge with both our team and our patients.
While working, Karina attended ECPI University, where she earned her Associate Degree in Health Sciences. Over the years, she has developed an exceptional clinical and patient-relations skill set, enabling our doctors to help countless patients live pain-free lives. Looking ahead, she hopes to return to school to further her education in the dental field. Outside the office, Karina loves spending quality time with her two sons and daughter.

Tamyra
Certified TMD Dental Assistant
Tamyra is a Virginia native and a valued member of our clinical team who studied at the Metropolitan Institute of Health and Technology. She has been working in the dental field for 10 years and absolutely loves it. Because TMJ specialty offices are rare, we were ecstatic to find someone with her extensive experience in temporomandibular joint dysfunction (TMD).
Outside of work, Tamyra is a proud mom to four beautiful children—three girls and one boy. Her ultimate goal is to give her kids the most out of life and be the best mom she can be. She looks forward to meeting you all!

Ruth
Licensed Massage Therapist
Ruth is a wonderful, caring massage therapist with over 15 years of experience in the dental and TMJ fields. With her wealth of knowledge and passion for helping others, she is a tremendous asset to our patients and our team. She graduated from Northern Virginia Community College and earned her massage therapy license from the Potomac Massage Training Institute.
Ruth is originally from Mexico, but she has made the U.S. her home for 30 years. When she’s not working, she enjoys traveling, dancing, attending cultural events, and exploring new culinary experiences.

Aina
Patient Coordinator | Scheduling
Aina is a Virginian raised in our backyard in the town of Vienna. She attended Ursinus College in Collegeville, PA where she graduated in 2017 with a bachelor’s degree in psychology. Since her graduation, Aina has predominantly worked in customer service-related work. One of her greatest achievements as a team lead was the creation of a chat team from the ground up. While she only started in healthcare with us, she has a thirst to learn and apply her previous skills to create positive patient experiences. Aina has grown personally in our field and developed her skill in managing the schedule. Keeping the goal of patient flow to provide you with the needed time with the doctor and assistant. Aina always has a smile to welcome you.
Outside of work, she can be found either dancing, singing, writing, walking with her two dogs, or taking a trip to the beach. She can never be seen without a pencil or pen in hand to either learn something new or write a reminder note of a new place to explore.

Morgan
Patient Coordinator | Insurance
Morgan joined the team after graduating from the University of Pittsburgh with a Bachelor of Science in Health Informatics and a certificate in Conceptual Foundations of Medicine. In her role as a patient coordinator, she supports the practice’s administrative and patient services operations, including insurance verification, claims coordination, and helping patients navigate the logistics of their care.
Originally from Northern Virginia, Morgan developed an interest in healthcare through her studies in health informatics, with a particular interest in the intersection of healthcare and technology.
Outside of work, she enjoys baking, attending spin classes, and spending time with family and friends.