Technician since 1979, worked for Kawai America from 1995 to 2022. Don began an apprenticeship in a piano rebuilding shop while completing his studies at San Diego State University as a piano performance major in 1979. After working as an independent piano technician in the San Diego area, he held the position of National Service Manager for Young Chang Pianos, then was Manager of Technical Support for Kawai Pianos in the US and Canada, later promoted to Director of Field Services for Shigeru Kawai Pianos. He retired from his position at Kawai at the end of 2022. Don and his wife Patty are the editors of the Southern California Combined PTG newsletter. In addition to teaching at regional technician seminars, PTG Annual conventions, and at PTG chapter meetings, he also has designed technicians tools and has published articles on a variety of technical topics in the Piano Technicians Journal, including Action Center service, a series on grand action regulation, and the use of plastics in piano actions. In 2010 he was certified in Japan as a Kawai "Master Piano Artisan" (or MPA), the highest level of technician for the Kawai company. Don resides in Cypress, CA with his wife Patty. Their daughter Sarah is married and working as an elementary school teacher in San Francisco, CA.