Our Staff

Dr. Kasewurm started Professional Hearing Services in 1983. A lifetime resident of southwestern Michigan, she started the business after obtaining a Masters Degree from Western Michigan University and went on to earn her Doctoral Degree from Central Michigan University.

Dr. Kasewurm is committed to providing the latest technology and the highest standard of care to her patients. She is a well-known lecturer and contributor to audiology publications and organizations. In her spare time, Dr. Kasewurm enjoys traveling with her husband, David, and running and riding bikes with her friends.

Dr. McIlvaine recently received her doctoral degree at Pennsylvania College of Optometry School of Audiology. She obtained her Masters Degree from Kent State University. Prior to coming to St. Joseph, Terry practiced in the Cleveland area for 8 years providing hearing healthcare to patients of all ages.

Married for over 25 years to Kevin, they have 3 beautiful daughters and 1 handsome son-in-law, all living in Columbus Ohio. In her spare time, Terry loves to read, watch movies, and spend time with her family, and cheer for The Ohio State Buckeyes.

David is the behind the scenes guy who makes sure business is running smoothly. With a background in business, he originally joined PHS by operating the industrial mobile unit that travels to industries in Michigan, Indiana and Ohio providing hearing conservation services.

When David's not at work or spending time with his wonderful wife, Gyl, you can find him on the golf course or walking his dog, Reno.

Karin has been with PHS since shortly after its beginning in 1983. She originally worked in the mobile unit before becoming an audiologist's assistant. Karin is an expert at hearing aid repairs.

She and her husband, Pat, have two daughters and two grandchildren. When she finishes her day at PHS, Karin enjoys shopping and reading.

Dee Dee is one of the very talented assistants at PHS who are available to help patients who walk-in for service. Dee Dee has worked at PHS for fifteen years and is an expert at modifying hearing aids.

She has two married sons and five grandchildren and enjoys golfing, gardening, and knitting.

Judy is one of the exceptional individuals who staff the hearing aid lab.  Prior to completing audiology assitant training, Judy was part of the front desk staff at PHS.  Her infectious laugh will make certain the time you spend at PHS is pleasant and rewarding.

She has lived in Michigan her entire life and loves Lake Michigan and the beauty of four seasons! Judy and her husband, Jessie, have two daughters. In her free time, she likes to spend time with her family attending her girls' activities and scrapbooking.

Tina is another one of the friendly faces that will greet you at PHS and make you feel right at home. Tina's and her husband, Jim, have two children (Andrew and Ashley) and a "Daisy" dog named Fluffy. 

Tina enjoys being a spectator at her children's various activities, relaxing by her pool and scrap-booking.

Donna joined the front desk staff at PHS in 2009. You will hear her friendly voice over the phone when you call for an appointment and she will be here to greet you when you arrive at the office. When Donna is away from PHS, she enjoys reading, exercising, walking her Basset Hound (Rosa) and attending her daughters (Greer, Reed, and Cameron) activities.

Reno joined PHS in 2004.  If she’s not snoozing on the couch she will be there to greet you when you walk-in the door.  She is an expert in “pet therapy” and is available for belly-rubs on a walk-in basis.  When she is not working, Reno enjoys playing fetch and taking long walks with her parents, Gyl and David.