Our Professional Staff

Our experienced providers are committed to a high standard of patient care and are here for you throughout every stage of your hearing journey.

Who We Are

We understand choosing a hearing care provider is a big decision. At Advanced Instruments Hearing Aid Center, our number one priority is delivering exceptional patient care. Our experienced staff is well-trained in a variety of services ranging from evaluations to treatment.

We believe great care includes establishing great relationships with our patients. Treating hearing loss is an ongoing process that requires regular follow-ups, maintenance and cleanings to keep you hearing your best. Our staff is here to support you not only during your initial visit but throughout your entire journey to better hearing.

staff introduction image professional holding otoscope

Meet Our Hearing Professionals

Jeff 2

Geoffrey Calkins

Hearing Aid Dispenser

Geoffrey Calkins, Hearing Aid Dispenser, Lic. #HA2791. Geoff is Board Certified in Hearing Instrument Sciences. Geoff  has provided hearing aid services at Advanced Instruments since 1989.  He was born and grew up in the Napa Valley helping his father, a General Contractor, build custom homes. 

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Jessica SRP 2021 HAC 14

Jessica Cimolino

Hearing Aid Dispenser

Jessica Cimolino, Hearing Aid Dispenser, Lic. #HA7935 has been in the hearing field since 2012. Jessica joined Advanced Instruments in October 2022 but got her start in Mendocino and helped individuals pursue better hearing throughout Mendocino, Santa Rosa, and Marin counties.

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Amanda Napa

Amanda Guentert

Practice Manager