About Us


Willem “Wim” Blees is a second generation piano technician with more than 40 years of experience. Willem started working on pianos in his father’s shop at the age of 12. After college, he taught music for 7 years before starting his own piano tuning business in 1977.

No matter what make or model your piano is, Wim has the experience and knowledge to take care of your piano. As part of his continuing education, Willem has attended more than 60 seminars and technical institutes. He has attended an in-depth three week concert level training seminar at the Steinway piano factory in New York City. He has also attended week long seminars offered by Baldwin, Kimball, and Mason & Hamlin, and has received personalized instruction from factory technical representatives of Yamaha, Kawai, Wurlitzer, Kohler & Campbell, and Pearl River and many other piano manufacturers.

Wim has the knowledge and expertise to work on all makes and models of pianos. He is a concert level piano technician, and has worked on pianos for artists like Emanuel Ax, Olga Kern, Misha Dichter, Peter Nero, Victor Borge, and Roger Williams, just to name a few. He has also tuned the piano for groups including Peter Paul & Mary, the Rolling Stones, the Beach Boys, Dolly Parton, and many others.

Willem’s vast knowledge of pianos comes from being a Registered Piano Technician (RPT), with the Piano Technicians Guild (PTG). Since becoming an RPT in 1978, Wim has attended more than 60 seminars and technical institutes, not only as a scholar, but also as instructor. He has taught classes in United States, Canada and Australia, on topics ranging from basic tuning and regulating, to voicing and rebuilding, and the business end of being a piano tuner. Here are the list of  PTG, classes Wim can teach.

Willem is on the Board of the Piano Technicians Guild Foundation, www.ptgf.org. The Piano Technicians Guild Foundation supports the mission of the Piano Technicians Guild through charitable, historical, scientific and educational programs. Please visit the PTGF website for a visual tour of the museum, and find other pertinent information about the PTGF.

Willem Blees is the author of a book about his love for his business: The Business of Piano Tuning: A Guide to Marketing, Managing, Promoting, Buying and Selling a Piano Service Business. It’s the only book of its kind.

Willem has a Bachelors Degree in Music Education from Northern Illinois University and a Masters Degree in Music from the University of Illinois. He continues to participate in music by playing handbells and singing with the Honolulu Symphony Chorus, and the Windward Chorale, with his wife, Janet.

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Contact Us


Blees Piano
94-505 Kealakaa Street
Mililani, Hawaii 96789
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