Our 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 Audiology Hearing Clinic of Mequon, our number one priority is delivering exceptional patient care. Our staff combines years of expertise in hearing healthcare, and is well-trained on 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.

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  • Memberships

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  • american-academy-of-audiology logo

Our Doctors Of Audiology

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Dr. Sarah Holschuh

Owner/Audiologist - Mequon

Dr. Sarah Holschuh boasts nearly three decades of dedicated service in the hearing healthcare industry. Specializing in adult patients facing hearing difficulties and/or tinnitus, she is the proud owner of Audiology Hearing Clinic of Mequon, S.C., operating under the name Audiology Hearing Clinic.

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Dr. Katherine Moore

Audiologist - Brookfield

Katherine Moore has been an Audiologist for over 20 years, having worked at a private practice Ear, Nose and Throat clinic as well as a teaching hospital for many years. Although she has served all ages, she has a special interest in diagnostic and rehabilitative Audiology in the adult population. She is truly passionate about helping patients and their family members navigate the path to better hearing health.

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Dr. Sara Ellefson

Audiologist - Brookfield and Mequon

Dr. Sara Ellefson, AuD, is a dedicated audiologist committed to providing exceptional hearing healthcare. Dr. Ellefson, a graduate of Northwestern University, brings a unique perspective as she herself has experienced the challenges of living with hearing loss. This personal connection fuels her passion for helping individuals achieve optimal hearing and improved communication.

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Our Office Staff

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Terry Krenzelok

Front Office Assistant - Brookfield

Terry has been with the Brookfield office since it opened under Dr. Kate Olsen, AuD in 2010. She is the smiling face you meet when you visit the office, and the cheerful voice you hear on the phone when you call. She is happy to welcome you to our office and will make you feel right at home. Terry schedules appointments, works with insurance companies, does minor hearing aid repairs, and anything else that lands at the front desk. She has two grown children.

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Ariana Ruiz

Front Office Assistant - Mequon

As a front office assistant, Ariana brings a wealth of experience and proficiency to her role. She is known for her exceptional organizational skills and friendly demeanor. With a keen eye for detail, she efficiently takes on administrative tasks, ensuring a smooth workflow for the office.

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Carlos Estrada

Business Manager

Carlos, a seasoned business manager with an unconventional twist, holds a degree in social work that uniquely informs his managerial approach. Drawing on his background, he infuses empathy and a people-centric perspective into his leadership style.

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