Nadine Sierra was born in Florida and studied at the Mannes College of Music in New York before joining the Adler Fellowship Program at the San Francisco Opera where she made her debut in the company in 2011. In 2007 and 2009 she was the youngest prize-winner at the Marilyn Horne Foundation Vocal Competition and the Metropolitan Opera National Council Auditions. She has won numerous competitions in the United States, including the Richard Tucker Award in 2017 and the Beverly Sills Artist Award in 2018. Soon thereafter, her career took on an international dimension. She made debut appearances at Milan’s La Scala and the New York Metropolitan Opera in Rigoletto (Gilda), the Paris Opera in Don Giovanni (Zerlina) and the Berlin Staatsoper as Amor in Gluck’s Orfeo ed Euridice under the direction of Daniel Barenboim. She has appeared as Flavia (Eliogabalo), Pamina (Die Zauberflöte) and Gilda at the Paris Opera, and Zerlina and Ilia (Idomeneo) at the New York Metropolitan Opera. She also makes regular guest appearances at the San Francisco Opera (La Bohème, Le Nozze di Figaro, Die Zauberflöte, Lucia di Lammermoor). During the 2017-2018 season, she made debuts in the roles of Susanna (Le Nozze di Figaro) at the Metropolitan Opera, Nanetta (Falstaff) at the Berlin Staatsoper, Norina (Don Pasquale) at the Paris Opera and she sang the title role in Lucia di Lammermoor at La Fenice in Venice. The following season, she performed the role of Manon at the Bordeaux Opera and appeared in a new production of Rigoletto at the Berlin Staatsoper. She also sang the role of Maria in a concert version of West Side Story conducted by Antonio Pappano at the Accademia Nazionale di Santa Cecilia. During the 2019-2020 season, she made her role debut as Violetta (La Traviata) at the Teatro Real in Madrid and sang the roles of Juliette (Roméo et Juliette) in San Francisco and Bordeaux, Susanna at the Metropolitan Opera, Sophie (Der Rosenkavalier) and Nannetta at the Berlin Staatsoper and Lucia at the Royal Opera House in London.