James Hanerhoff is board certified by the National Board for Certification in Hearing Instrument Studies. He is a member of the International Hearing Society and serves on the Board of Directors of the Illinois Hearing Society. He is a graduate of the American Academy of Audioprosthology. He is licensed by the state of Illinois and Iowa as a Hearing Instrument Specialist. He specializes in the fitting of custom digital hearing aids as well as custom hearing protection and musician monitors.