Tim Jansma (13 September 1952 - 25 October 2016) was a notable contemporary luthier, a maker of violins, violas and cellos. He was apprenticed at William Moennig and Son in Philadelphia and graduated from the International School of Violin Making of Cremona in Italy. The original Jansma Violin Shop was in Cremona and was permanently established in Fremont, Michigan, USA, in 1977.[1] Jansma instruments are sold around the world to professional musicians and students.[2]