Polish mezzo-soprano Agnes Zwierko made her Royal Opera debut in 2012 as Ježibaba (Rusalka). In the 2014/15 Season she returns to sing Deaconess (Król Roger) and Mistress Quickly (Falstaff) for The Royal Opera.
Zwierko studied computer science and electronics at Warsaw University before training at the Fryderyk Chopin Academy of Music. She holds a PhD in music. She has sung for the major concert halls and opera houses in Poland and for international opera houses and companies including Liceu, Barcelona, Komische Oper Berlin, Berlin State Opera, Theater an der Wien, Teatro Colón, Buenos Aires, Rome Opera, Teatro Massimo, Palermo, Prague State Opera, Slovak National Theatre, Bratislava, and La Scala, Milan. Her repertory includes Amneris (Aida), Eboli (Don Carlo), Madame Larina (Eugene Onegin), Ljubov (Mazepa), Kundry (Parsifal), Ludmila (The Bartered Bride), Kostelnička (Jenůfa), Kabanicha (Kát’a Kabanová), La Frugola (Il tabarro), the Princess (Suor Angelica), Zita (Gianni Schicchi), Klytämnestra (Elektra) and Jocaste (Oedipus Rex), as well as several operetta roles.
Zwierko performs in concert throughout Poland and internationally, her repertory including Pergolesi’s Stabat Mater, Beethoven's Missa Solemnis, Verdi’s Requiem, Mahler’s Second, Third and Eighth Symphonies, Janáček's Glagolithic Mass and Szymanowski’s Stabat Mater.