Agnes Zwierko studied at Vocal Department of F.Chopin Music Academy in Warsaw and graduated of Electronics at Department of Warsaw's Polytechnics
Soloist National Moravian – Slesian Theatre in Ostrava (Czech Rep.), State Opera Prague, Polish National Opera – Wielki Theatre in Warsaw.

She has worked with such conductors as: Marco Armiliato, Marcello Rota, David Agler, Stefano Ranzani, Massimo Zanetti, Claudio Desderi, Jan Latham – Koenig, Tyrone Paterson, Leos Svarovsky, Enrico Dovico, Andrzej Straszynski,
Jacek Kaspszyk.
She has worked on the stage with Mirella Freni, Sylvie Valayre, Paata Burchuladze, Eva Urbanova, Roberto Lagana', Lamberto Puggelli, Yannis Kokkos.

Since 1990 she takes part in many concert projects in Poland (National Philharmonic Warsaw, Vratislavia Cantans, Lutoslawski Forum, State Philharmonic Bialystok) and abroad (Italy, Austria, Wales of Great Britain, Ireland, Germany, France, Belgium, Japan, Lithuania, Croatia).
On 21-23 November 2005 in Palermo (Sicily) she takes part in the Jury of 3rd National Competition for Young Singers A.Gi.Mus. with the President Maestro Alberto Veronesi.

In 2000 at Teatro Regio Torino performes Maddalena in RIGOLETTO, at Wexford Opera Festival: Conchita's Mother in CONCHITA (R.Zandonai) and WEDDING (Les Noces) by I.Stravinsky.

The following year at Aphrodite Opera Festival (Pafos, Cyprus) and at Beijing Music Festival is Fenena in NABUCCO. In 2002 at Lucent Dans Theater sings Azucena in TROVATORE, at Teatro Regio Torino: Agnes Sorel in THE MAID OF ORLEANS (P.Tchaikovsky) with Mirella Freni as Joan d'Arc and at Bolshoi Theatre Moscow: Larina in ONEGIN, Dyaconisse in KING ROGER (K.Szymanowski).

In 2003 at The Royal Theatre Copenhagen: Eboli in DON CARLO, Leipziger Oper: Eboli, National Theatre Ostrava: Judit in DUKE BLUEBEARD'S CASTLE (B.Bartok) and also Santuzza in CAVALLERIA RUSTICANA. At National Slovak Opera Bratislava performs Amneris in AIDA and Eboli in DON CARLO.

In 2004-05 at National Theatre Ostrava: Kostelnicka in JENUFA (L.Janacek), in Prague sings Azucena in TROVATORE and Ulrica BALLO, Ammneris (AÏDA) y Eboli (DON CARLO) in Bratislava. She also performs Fenena in National Opera in Warsaw. Again in Warsaw in 2005: Amneris in AIDA, Czesnikowa in HAUNTED MANOR (St.Moniuszko). In Prague sings Jezibaba (Witch) in RUSALKA (premiere may 2005), Amneris in AIDA, Azucena in TROVATORE, Ulrica in BALLO. Later in National Theatre Ostrava: Jezibaba (Witch) in RUSALKA (premiere october 2005), in Teatro Massimo Palermo: Dyaconisse in KING ROGER (premiere november 2005)

In 2006 at National Opera in Warsaw performs: Suzuki in MADAMA BUTTERFLY. At Ostrava: Quickly in FALSTAFF, Jezibaba (Witch) in RUSALKA and Kostelnicka in JENUFA. At Státna Opera Banska Bystrica: Charlotte in WERTHER (premiere march 2006) and Azucena in TROVATORE (premiere october 2006). At Teatro Massimo Palermo sings Baroness in VANESSA, S.Barber. And at Music Theatre Gliwice is Carmen in CARMEN (opening season 2006/2007).

In 2007 she performed DON CARLO (Eboli) in Semperoper de Dresde, REQUIEM of Verdi in Bratislava, Kostelnicka (JENUFA) in Teatro alla Scala di Milano, RUSALKA (Jezibaba) in Ostrawa, premier of LA TRAGEDIE DE CARMEN (Bizet/Brook) as Carmen and MEDEA (Neris) in Teatro Massimo in Palermo.

Her future engagements in 2008/2009 include in Ostrava, JENUFA (Kostelnicka) y RUSALKA (Jezibaba); in Warsaw AIDA (Amneris) and CARMEN. Later MEDEA (Neris) in Catania, ADRIANA LECOUVREUR (Prinipessa di Bouillon) in Palermo; EUGENE ONEGUIN (Larina) in Ottawa, JENUFA (Kostelnicka) in Málaga and TROVATORE (Azucena) in Warsaw.