Stefanna was born in Sofia, Bulgaria, and she began studying piano at the early age of three attending the music school Ljubomir Pipkov in Sofia. As infant prodigy, she won a scholarship from the State and she was given the possibility to study at the Conservatory of Prague and from 1990 at the Conservatory “G. Verdi” of Milan under the guidance of M° Mario Delli Ponti.
At the age of eleven, she was chosen by M° Bruno Casoni to be part of Teatro alla Scala’s children choir, this activity highlighted her talent, picking her out and giving the possibility to emerge as soloist.
Soon she began studying opera singing at the Conservatory of Milan attending the class of Prof. Margaret Hayward and graduating with highest honours under the guidance of M° Vittorio Terranova. She continues perfecting her repertoire with the soprano Fiorella Pediconi.
Her career began when she won the As.Li.Co. Competition and after she had the opportunity to come out for the peculiarity of her voice and her elegant stage presence, debuting some of the the most significant roles of the repertoire such as Violetta in La traviata in Busseto, Liù in Turandot, Mimì in La bohème, Tosca.
2011: she won the first prize at Voci Verdiane Competition in Busseto for the role of Traviata (Violetta). After she debuted I Lombardi alla prima crociata (Giselda) in Piacenza.
2012: I Lombardi alla prima crociata (Giselda) – Theater Kiel; she debuted Donna Elvira in Don Giovanni and performed Mimì in La bohème in Seoul.
2013: she debuted Tosca at Smetana Hall in Prague; Traviata (Violetta) – Diano Marina; Verdi’s Requiem, Norma and Madama Butterfly in Piacenza, Asti and Chiavari.
2014: she performed Mimì in La bohème at FNO in Helsinki conducted by M° Michael Güttler and directed by Katariina Lahti.
2015: La bohème in Imperia; debut of Macbeth (Lady Macbeth) at Teatro Comunale in Bologna conducted by D. Abbado; lyric concert at Teatro Rendano in Cosenza.
2016: debut of Odabella in Attila at Teatro Comunale in Bologna conducted by M. Mariotti, Tosca at Staatstheater in Mainz, Luisa Miller at Teatro Verdi in Trieste, Macbeth in Piacenza with Leo Nucci.