Guust Francois was born in Teteringen in 1956. From 1978 to 1982, he trained as a violin maker under Francesco Bissolotti at the Scuola Internazionale di Liuteria in Cremona. Together with fellow students, he then ran a shared workshop in Campo Corto, Tuscany, where he also worked as a cellist in the Bagni di Lucca festival orchestra. After working in New York at McGhee and Keene, he opened his own workshop in Amsterdam in 1993. He builds (viola) violins and cellos, both Baroque and modern; he also restores and deals in instruments.