Only AudigyCertified™ practices have access to AGX® Hearing technology — always the most advanced and effective technology available.

But great technology is just the beginning for us. Understanding the way you live, your personal hearing needs, and the better-hearing goals you have for yourself helps us craft a more personalized and comprehensive hearing solution than anyone else can offer.

Meet the Team

Sheri Gostomelsky, Au.D.


Sheri has over 30 years of experience working with hearing-impaired patients. She takes pride in helping her patients understand what it takes to be successful as a hearing aid candidate, and has outstanding expertise in testing, product knowledge and custom fitting. Audiology Associates of Deerfield understands that every person has unique needs and carries an array of different models and manufactures of hearing aids to arrive at a truly custom solution.

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Mark Christian, Au.D.


The field of audiology was a natural career path for Dr. Christian — he was born and raised in the Chicago suburbs by two deaf parents. He learned sign language at a young age and spent a lifetime around people with hearing loss. He saw how hearing loss affected communication and the impact it had on relationships. “I often had to interpret conversations between my dad and his mother because of their inability to communicate,” he says.

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