BM, Curtis Institute of Music; The Juilliard School.
Boston Opera; Miami Opera; New York City Opera; Santa Fe Opera; New York Philharmonic; the Philadelphia Orchestra; Casals Festival; Marlboro Festival.
CBS Masterworks; Columbia; Marlboro Music Festival; Vanguard.
Blossom Music Festival; Santa Fe Opera; San Francisco Opera Center; St. Louis Opera; Brussels; Israel; Sydney, Australia; Taiwan; Nebraska; Cincinnati, Denver, Los Angeles, Milwaukee, Washington, D.C., in connection with Metropolitan Opera Auditions.
Lyric Opera Center for American Artists, Chicago Lyric Opera. Is now associated with the National Theater of Toyko and the Fletcher Institute in North Carolina and joins the Washington Opera with Plácido Domingo in the training of young artists.
Canadian Opera Center; Chautauqua Institution; the Curtis Institute of Music.
Manhattan School of Music faculty since 1982.