Deborah Mayer's interpretation of the demanding soprano roles of Wagner, Verdi, and Mozart have received critical acclaim in several of the world's leading opera houses.  This season she sings the title role in Aida, and Madame Lidoine in Poulenc's Dialogues of the Carmelites with the Eugene Opera.

Ms. Mayer made her Metropolitan Opera debut as Gerhilde in Die Walküre in Robert LePage’s landmark production of The Ring Cycle conducted by Fabio Luisi, which also marked her Metropolitan Opera Radio Broadcast debut. She also recently debuted as Gerhilde with the Boston Symphony Orchestra under the direction of Lothar Koenigs in Act III of Die Walküre at the Tanglewood Music Festival, featuring Bryn Terfel as Wotan. With the Toledo Symphony, Ms. Mayer sang Brünnhilde's Immolation Scene" from Götterdämmerung as well as the role of Brünnhilde in Siegfried.

Her Paris debut was at the Theatre de Chatelet as Ada in Richard Wagner's first opera Die Feen, led by Marc Minkowski and acclaimed stage director Emilio Sagi. The Wiener Zeitung hailed her performance as a "magical, then dramatic Ada" while the Frankfurter Rundschau extolled her "focused beguiling Ada". The role of Ada in Die Feen represents Ms. Mayer's foray into Wagnerian repertory with the Mainfranken Theater Würzburg in celebration of the theater's 200th Anniversary. Of her performance, the Frankfurter Neue Presse exclaimed, "Hochdramatische, Deborah Mayer (Ada) portrayed the Wagnerian role to its fullest. A real Wagnerian!"

Highlights of recent seasons include Donna Anna in Don Giovanni at the Landestheater Salzburg. While at the Mainfranken Theater Würzburg, she bowed as Abigaille in Nabucco, Donna Anna in Don Giovanni and Elettra in Idomeneo as part of the Mozart Festival, and Martha Marnis in Limonen aus Sizilien by Manfred Tojahn in a new version of the work, directed by the composer. Ms. Mayer has sung Ines in Il Trovatore with the Baltimore Opera, conducted by Christian Badea, Aida at Opera Roanoke and the title role in Tosca with the Opera Theater of Connecticut. Her professional debut came in La Traviata with Palm Beach Opera, conducted by Maestro Anton Guadagno, and directed by Tito Capobianco. Ms. Mayer sings Beethoven’s Ninth Symphony and Wagner’s Wesendonck Lieder in June of 2017 with Astoria Music Festival in Oregon.

Ms. Mayer's European concert debut was as the soprano soloist in Verdi's Messa di Requiem with the Philharmonia Orchestra London at the Chichester Festival. She triumphed again in the Requiem in Würzburg, Germany as well as Beethoven’s 9th Symphony with the Würzburg Philharmonic Orchestra under the guidance of Daniel Klajner for a concert commemorating the 60th Anniversary of the end of World War II. Last season she reprised the Beethoven’s 9th Symphony with the South Bend Symphony and was the soprano soloist in Mendelsohn’s Elijah opposite baritone Nathan Gunn.  Other performances include Wagner's Wesendonck Lieder in Seoul, Korea with the Daejeon Philharmonic at the Seoul Arts Center.

An accomplished recitalist, she was invited by the Richard Wagner Society to present a concert in Bayreuth, Germany. She holds the distinction of being the first American awarded a stipendium by this prestigious organization. Ms. Mayer also sang Richard Wagner's Wesendonck Lieder in recital for the Richard Wagner Society of Chicago. As a recipient of the American Wagner Association prize in the Liederkranz Competition in 2010, she performed in recital at Carnegie Hall  (Weill Hall). She received her Bachelor and Master of Music degrees from Indiana University where she studied with world-renowned soprano Virginia Zeani and her husband, the legendary basso Nicola Rossi-Lemeni. Ms. Mayer can be heard singing excerpts from Cavalleria Rusticana in the 2016 film, The Looking Glass, available on Netflix.