Background
Sierra, Roberto was born on October 9, 1953 in Vega Baja, P.R.
Sierra, Roberto was born on October 9, 1953 in Vega Baja, P.R.
Graduate, P.R. Conservatory of Music graduate, U. P.R., 1976; postgraduate, Royal College Music, London postgraduate, U. London, 1976-1978; postgraduate, Institute Sonology, Utrecht, The Netherlands, 1978; studied with Gyorgy Ligeti, Hamberg (Germany) Hochschule for Music, 1979-1982.
Assistant director cultural activities Department, University P.R., 1983-1985; director, U. P.R., 1985-1986; dean of studies, U. P.R., 1986-1987; chancellor, P.R. Conservatory of Music, since 1987; professor composition, Cornell Univercity, Ithaca, New York, since 1992. Composer-in-residence Milwaukee Symphony Orchestra, 1989-1992.