Mary Elizabeth Williams made her debut in Nabucco with Canadian Opera Company in the 2024–25 season, reprising her celebrated interpretation of Abigaille to great critical acclaim. Her captivating performance in the virtuosic role was nominated for a DORA Award. She was also honored to originate the title role in Dédé’s recently rediscovered nineteenth-century French opera Morgiane, with Opera Lafayette and Opera Créole co-producing a four-city tour. A live recording commemorating these historic performances will be released as an album in autumn 2025.

Lastseason Mary Elizabeth demonstrates her impressive artistic range by making her Baroque opera debut as Dido in Purcell’s Dido and Aeneas with Opera Lafayette in the USA and originating the role of Athena in Iain Bell’s new opera Medusa at La Monnaie / De Munt in Brussels. She also makes her directorial debut with Opera Baltimore this season, leading their production of Donizetti’s Lucrezia Borgia.

Looking ahead, the 2026–27 season will see Mary Elizabeth return to one of her signature roles as Aïda at Opera Toledo in the United States. Aïda is a role she has performed frequently and to great acclaim at major opera houses around the world, including Atlanta Opera, Cincinnati Opera, and Teatro Massimo di Palermo.

In 2023–24, Mary Elizabeth made her debut at Santa Fe Opera as the Foreign Princess in Rusalka and joined the cast of Un ballo in maschera at the Metropolitan Opera. Other recent engagements include Isolde in Tristan und Isolde at Seattle Opera and in Peter Sellars’s production at the Paris Opera. She collaborated again with Sellars in her debut with the San Francisco Symphony in June 2024 in Schoenberg’s Erwartung. Sellars’s production, conducted by Esa-Pekka Salonen, was a triumph with both audiences and critics. In summer 2024, she performed Aïda at the Sordevolo Summer Festival with Teatro Coccia in Novara, Italy.

Mary Elizabeth made her house debut at Theater an der Wien as Serena in Porgy and Bess, a role she has also performed at major venues including Teatro alla Scala di Milano, Seattle Opera, and with the NDR Elbphilharmonie Orchestra in Hamburg in a live radio broadcast. Other recent role debuts include Judith in Bartók’s Bluebeard’s Castle, which she performed at Teatro Pergolesi in Jesi and Teatro Coccia in Novara, Italy. Her distinguished career has taken her to leading roles and title roles at major theatres including Opéra de Dijon, Opéra de Lille, Teatro Massimo di Palermo, Welsh National Opera, and Deutsche Oper am Rhein, as well as with the Atlanta Symphony, Israel Philharmonic, and Festival St. Denis in France. Her repertoire includes Norma, Tosca, Lady Macbeth, Elisabetta in Donizetti’s Maria Stuarda, La Wally, Adriana Lecouvreur, and Chimène in Massenet’s Le Cid. Mary Elizabeth continues to expand her artistic and vocal range, embracing new and challenging repertoire season after season.

Originally from Philadelphia, Mary Elizabeth graduated from Luther College in Iowa before joining Seattle Opera’s Young Artist Program. She made her Seattle mainstage debut as Leonora in Il Trovatore and in 2012 was named Artist of the Year by the Seattle audience. She was a member of the Centre de Formation Lyrique at the Paris Opera, where she won the Lyric Artist Prize and was also awarded First Prize in the Concours Clermont-Ferrand.

A multifaceted artist and champion of vocal performance, Mary Elizabeth is a sought-after teacher of vocal technique and role preparation and regularly leads masterclasses and intensive courses in Europe and the United States. A gifted writer, her poetry forms the basis of a new song cycle by celebrated Norwegian composer Gisle Kverndokk. Her original translation of Schoenberg’s Erwartung is also featured at the Salzburg Festival. In June 2025, Mary Elizabeth was appointed Imasogie Executive Apprentice at Opera Baltimore for the 2025–26 season, in recognition of her exemplary artistic vision and leadership potential. She lives in Milan with her husband, tenor Lorenzo Decaro.

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Mary Elizabeth Williams is represented by ArteMIS worldwide.