A violist of international reputation, Roberto Díaz holds the position of President and CEO of the Curtis Institute of Music. As a professor of viola at Curtis and former principal violist of the Philadelphia Orchestra, he has already had a significant impact on American musical life and will continue to do so in his dual roles as performer and educator.
He was principal violist of the National Symphony under Mstislav Rostropovich, a member of the Boston Symphony under Seiji Ozawa, and a member of the Minnesota Orchestra under Sir Neville Marriner. An active chamber musician, he has performed with artists including the Emerson String Quartet, Emanuel Ax, Yefim Bronfman, Christoph Eschenbach, Yo-Yo Ma, Wolfgang Sawallisch, and Isaac Stern. As a member of the Díaz Trio, with violinist Andrés Cárdenes and cellist Andrés Díaz, he has performed throughout North and South America and China.
His recording of transcriptions by William Primrose with pianist Robert Koenig (Naxos 8.557391) was nominated for a 2006 GRAMMY®. Other Naxos releases include an all-Brahms recital CD with Jeremy Denk (8.570827).