Matthew Greif became a member of the Quartet in 2006. In addition to being a classical guitarist, he has an extensive background playing in other styles, such as jazz, rock, flamenco, and bluegrass. Matthew's recordings include Permanent Transition, which features duo improvisations with Andrew York and Dusan Bogdanovic. Matthew was named Outstanding Graduate of the USC Thornton Guitar Department. He also studied jazz with Joe Diorio, and Frank Potenza. Matthew currently teaches guitar at Cal State University - Dominguez Hills, in the Los Angeles area. When not playing and teaching music, Matthew likes biking, movies, and continuing his search for the world's best Mexican restaurant.