Guild of American Luthiers
A non-profit educational membership organization whose purpose is to facilitate learning about the art,craft and science of lutherie
The American Federation of Violin and Bow Makers
John is one of only seven Minnesota violin makers to be admitted to this organization, whose mission is "Elevating professional standards of craftsmanship and ethical conduct on an international level."
The American Viola Society
An association for the promotion of viola performance and research.
The Violin Society of America
A non-profit organization created for the purpose of promoting the art and science of making, repairing and preserving stringed musical instruments and their bows.