Glenn Alison Graff has worked under the master luthier Bernie Rico of B.C.Rich Guitars and WRC Guitars (Wayne Richard Charvel) before starting his own custom shop. He now repairs and builds guitars and other stringed instruments in Fort Collins, CO. He produces custom handmade instruments: guitars,bases, mandolins, violins and cellos. He is also working on a few projects with a company called "Transperformance", that manufactures and installs 'self-tuning' bridges.