Dr. George Holtzscher FADA, FAAA Location(s) served: Belleville and Collinsville, Illinois Years as an audiology professional: 43 Professional Certification: AuD in Audiology from Pennsylvania College of Optometry MS in Audiology, Southern Illinois University Carbondale BS in Music Education, Southern Illinois University Carbondale State licensed as an Audiologist and Hearing Instrument Specialist Fellow, American Academy of Audiology Fellow, Academy of Dispensing Audiologists Fellow, Illinois American Academy of Audiology