Violist Roberto Díaz is president and CEO of The Curtis Institute of Music. As a teacher of viola at Curtis and former principal violist of the Philadelphia Orchestra, Mr. Díaz has already had a significant impact on American musical life and continues to do so in his dual roles as performer and educator. Mr. Díaz has appeared as an orchestral soloist and recitalist in major cities around the globe and has worked with many leading conductors and composers of our time, including Krzysztof Penderecki, Jennifer Higdon and Edison Denisov. A celebrated chamber artist and recitalist, Mr. Díaz is a member of the Díaz Trio with violinist Andrés Cárdenes and cellist Andrés Díaz, and performs frequently on tour in programs featuring Curtis students. His recording of transcriptions by William Primrose with pianist Robert Koenig (Naxos) was nominated for a 2006 GRAMMY. Mr. Díaz is a 1984 graduate of The Curtis Institute of Music, where his teacher was his predecessor at the Philadelphia Orchestra, Joseph de Pasquale.