Jack Schwarz is the founder of Desert Sons Musical Instruments based in Phoenix, Arizona. The company specializes in custom guitars from a small group of luthiers, all of whom Jack, himself, helped train. As a luthier, Jack worked for Fender, beginning in 1982. He was one of the first employees at the Custom Shop in Corona, California, brought in by Dan Smith and trained by John Page. Jack later became the main clinician for Fender, providing in store training and classes around the world.