Great Lakes Piano Service is a premier, full-service piano service business run by owner Mark Peters of Interlochen, MI. The business is made up of faithful clients from what was formerly known as Cox’s Piano Service, run by Jim Cox. After apprenticing and rebuilding pianos with Jim for 3 years, Mark purchased the business from him in January of 2018. Mark is currently taking exams to complete the Registered Piano Technician (RPT) certification with the Piano Tuners’ Guild.

Mark also spends time as a music director at Immanuel Lutheran Church in Leland, MI where he is organist and choir director. Mark is a colleague in the American Guild of Organists. He has a family of four daughters with his wife Kathryn. Some of his hobbies include hunting and fishing.