...a true music-scholar. His performance was polished to perfection, and he imparted, in every note, a sense of urgency and emotion.
— Nashville Scene
Díaz went far beyond mere technical mastery and full-bodied tone and entered the rarer realm of artistry … [he] didn’t utter a single routine statement.
— Philadelphia Inquirer

A violist of international reputation, Roberto Díaz is president and CEO of the Curtis Institute of Music.

As a teacher of viola at Curtis and former principal viola of the Philadelphia Orchestra, Mr. Díaz continues to impact American music life in his dual roles as performer and educator.