Our Team

David C. Kelsall, MD – Medical Director


David C. Kelsall, MD, is Medical Director of the Rocky Mountain Ear Center PC, and the Center for Hearing at the Colorado Neurological Institute (CNI). Dr. Kelsall is an honors graduate of Stanford University and earned his medical degree at the University of Colorado. After serving residencies in general surgery at St. Joseph Hospital in Denver and in Otolaryngology at the University of Colorado Health Sciences Center, he completed his fellowship training in Otology and Neurotology at the Denver Ear Institute.

Dr. Kelsall is board certified in Otolaryngology, a Fellow in the American Academy of Otolaryngology/Head and Neck Surgery, a member of the American Neurotology Society, and the Colorado Medical Society, and serves on the CNI Board of Directors.

As a researcher, Dr. Kelsall has played a role in clinical trials leading to FDA approval of current cochlear implants on the market and is active in many research projects related to hearing loss and cochlear implants. As a Medical Director of the CNI Center for Hearing, he leads a team of volunteer physicians on annual missions to Third World countries, where they perform surgeries, provide hearing aids, and train local physicians. In 2001, Dr. Kelsall established the annual CNI Cochlear Kids Camps. Dr. Kelsall is a frequent lecturer, and has published numerous articles in professional journals. Third-generation natives of Colorado, he and his wife Tammie have three children.

Visit the CNI Center for Hearing website to learn more about how you can contribute to or benefit from these wonderful programs dedicated to helping end the silence. Here are links to CNI Center for Hearing programs:


Allison Biever, Au.D., CCC-A


Allison Biever received her Bachelor of Arts degree from the University of Alberta in 1989 and her Master of Arts degree in Audiology at the University of Colorado in 1992 after which time she worked as a Fellow in the first cochlear implant program in Colorado. In 2005 she received her Au.D. from Central Michigan University completing a doctoral thesis that examined the impact of residual hearing on cochlear implantation in children. Her focus at the Rocky Mountain Ear Center has been helping people regain their hearing through the miraculous technology of cochlear implants. She was awarded the LaFawn Biddle Award and the Hands & Voices Families First Award for her outstanding service to the deaf and hard of hearing community. In addition to her work in the clinic, she is also a prominent researcher in the field of cochlear implants. Allison enjoys hiking and spending time with her husband and three daughters. She is also an avid runner and Boston Marathon participant.

Katie Breithart, Au.D., CCC-A


Katie Breithart received her Bachelor of Science degree in Psychology in December 1996 from Colorado State University. She obtained her Master of Arts degree in Audiology from the University of Northern Colorado in May 2000 and her doctorate from the Arizona School of Health Sciences in 2007. Katie is involved with many aspects of our practice, including hearing and balance testing, hearing aids, Baha, SoundBite, cochlear implants, and intra-operative monitoring. Katie grew up in Littleton, where she now lives with her family. She enjoys attending and volunteering with her kids’ school and extracurricular activities.

Megan Read, Au.D., CCC-A


Megan Read received her Bachelor of Science degree in Communication Disorders from Abilene Christian University in Texas in December 2004. She worked in Colorado Springs as a speech therapy assistant before obtaining her Au.D. in May 2010 from the University of Colorado at Boulder. Megan completed an internship with Rocky Mountain Ear Center between 2008 and 2010 and joined the team in June of 2010. Her special interests include treatment of tinnitus and sound sensitivity, hearing aid fitting and reprogramming, and evaluation of balance disorders. Megan lives in Highlands Ranch with her husband, children, and two Westies.

Rehabilitation Specialists

Nanette Thompson, M.S., CCC-SLP, Cert.AVT

Nanette Thompson is a Speech-Language Pathologist and an Auditory-Verbal therapist. She grew up in Louisiana and received her masters degree from the University of Texas. She has been working with children who are deaf/hard of hearing for 12 years. She has worked in Houston at the Center for Hearing and Speech and in Dallas at the Callier Center for Communication Disorders. She lived in the United Kingdom and established an early intervention program for children with hearing loss and developed an aural rehabilitation program for children with cochlear implants. She has lived in Denver for 5 years and works for the Colorado Home Intervention Program, the Listen Foundation and the University of Colorado.

Patient Care Coordinator

Johnnie Herman, Patient Care Coordinator


Johnnie Herman is the Patient Care Coordinator for the Rocky Mountain Implant Center. She brings 21 years of administrative experience in the medical profession. Johnnie is the friendly and efficient voice patients hear when they call to schedule an appointment, order supplies or troubleshoot equipment. She also assists in handling matters related to insurance inquiries, payments and referrals. Johnnie is the “nerve center” of The CNI Rocky Mountain Cochlear Implant Center and is the proud grandmother of two beautiful young girls who live in Texas. She enjoys traveling to see them as often as possible.