She initially studied at the Brno Conservatory, then with Eva Blahová at the College of Performing Arts in Bratislava. Even before her graduation in 1995, she was winning major prizes in the Czech Republic and internationally, the most significant being top honors at the sixth International Mozart
Competition in Salzburg in 1995. She spent the 1996-1997 season as a member of the Vienna Volksoper
. In 1998 she made her debut at the Drottningholm Festival as Paride in Gluck
's Paride ed Elena. In 2000 came debuts at the Châtelet in Paris as Gluck
's Orpheus, and at the Vienna Festival as Nero in Monteverdi
's L'incoronazione di Poppea. In 2001 she appeared as Cherubino in the Aix-en-Provence Festival. She is also an active recitalist throughout Europe, although she is far less known in the United States, despite performances in San Francisco and at Carnegie Hall. Participation in Metropolitan Opera
productions of Mozart
is steadily boosting her American reputation.
Early on, she signed a recording contract with Deutsche Grammophon
, which has resulted in two or three CDs per year since 1997, simultaneously with occasional releases on other labels. She has been featured mainly in Baroque and Classical music, although she has also ventured into the Romantic era and twentieth century Czech songs, and as a recitalist she has performed and recorded Britten
, which has endeared her to the nationalistic British press. Even greater honor came to Kozená in 2003; the success of her recording of Romantic French opera arias, not to mention her presence in the 2002 centenary production of Pelléas et Mélisande at the Opéra Comique, had much to do with her being awarded the title of Chevalier de l'Ordre des Arts et des Lettres by the French government. In 2009, her recording of Julietta fragments by Martinu
won a Gramophone
award, while in 2010 she toured with the ensemble Private Musicke
in a program based on her album Lettere amorose.