American mezzo-soprano Delores Ziegler’s career takes her to every major theater in the world and into collaboration with the great directors and conductors of our time.  Many of these extraordinary performances have been recorded and released as audio recordings and on video and film. With a repertoire that extends from bel canto to verismo, Ms. Ziegler has appeared in the world's greatest opera houses including the Vienna Staatsoper, Teatro alla Scala, the Salzburg Festival, the Glyndebourne Festival, the Bastille in Paris, the Bayerische Staatsoper Munich, Cologne, Bonn, Hamburg, Florence May Festival and Athens Festival.  In South America she has performed at the Teatro Colon in Buenos Aires and at the Teatro Municipal in Rio de Janeiro.  The Georgia native has appeared with virtually every important opera company in the United States including the Metropolitan Opera, the Lyric Opera of Chicago and the San Francisco Opera. An acclaimed interpreter of bel canto mezzo roles, she has the honor of being the first singer in operatic history to sing Romeo in Bellini's I Capuleti e i Montecchi at the Bolshoi in Moscow, at the San Francisco Opera and in Japan.  In another milestone, Ms. Ziegler is the most recorded Dorabella in operatic history, first on two audio recordings, one with Bernard Haitink on EMI and another on Teldec with Nikolaus Harnoncourt, and in a videodisc of the La Scala production with Riccardo Muti and in a film of Così directed by Jean-Pierre Ponnelle. Delores Ziegler was featured in the initial "Pavarotti, Plus! - Live from Lincoln Center" PBS Television Special. She had the honor of making her Carnegie Hall debut in the Rossini Stabat Mater with Riccardo Muti in his farewell performance as Music Director of the Philadelphia Orchestra.  With London's BBC Symphony she sang Wagner's Wesendonck Lieder; with Santa Cecilia in Rome the St. John Passion; and at Aix-en-Provence and in Venice, the Rossini Stabat Mater. Delores Ziegler has a discography of twenty-one recordings with prestigious orchestras such as the Berlin Philharmonic, the Philadelphia Orchestra and the Atlanta Symphony, with conductors including James Levine, Riccardo Muti, Nikolaus Harnoncourt, Robert Shaw, Claudio Scimone, Armin Jordan and James Conlon.  Her most recent CD is Ned Rorem’s song cycle “The Evidence of Things Not Seen”; she took part in the world premier of this work at Weill Hall in celebration of the composer’s 75th birthday. Ms. Ziegler is currently Chair of the Voice/Opera Division of the School of Music at the University of Maryland.