The Ukrainian soprano, Olga Pasiecznik (Pasichnyk), studied piano and musical pedagogy in native Rivne, voice at the Kiev Conservatory and at the Chopin Academy of Music in Warsaw (postgraduate studies). In 1992 she became a soloist of the Warsaw Chamber Opera. She was the winner of the 2nd Prize at the International Vocal Competition in s'Hertogenbosch (Holland, 1994), 2nd Prize at the Mirjam Helin International Singing Competition in Helsinki (Finland, 1999), 3rd Prize and also Special Prize in the oratorio category and the Public Prize at the Queen Elisabeth International Music Competition in Belgium (2000).
Olga Pasiecznik gives special attention to Baroque and Classical opera and oratorio music; Pasiecznik also sings French Impressionist music, Russian and Ukrainian songs and modern compositions. She sang with success major roles in operas of Monteverdi, George Frideric Handel, Mozart, Rossini, Verdi, Puccini, Debussy, Tchaikovsky, contemporary composers in the most of the countries of Europe, in USA, Canada and Japan. Olga Pasiecznik performed at numerous concerts and international music festivals in the famous concert halls and theatres, including: Théâtre des Champs-Élysées, Salle Pleyel (Paris), Concertgebouw (Amsterdam), Palais des Beaux-Arts, Théâtre Royal de la Monnaie (Brussels), Finnish National Opera, Flemish Opera, Polish National Opera etc., collaborate with Polish National Philharmonic Orchestra, Polish National Radio Symphony Orchestra, conducted by K. Penderecki, M. Soustrot, A. Wit, M. Zanetti.
Olga Pasiecznik developed her interests in Early Music by regularly performing with various musicians and ensembles specializing in that repertoire. These include Jean-Claude Malgoire with his La Grande Écurie et la Chambre du Roy (France), Władysław Kłosiewicz, Marek Toporowski with his Concerto Polacco and Il Tempo, Musica Petropolitana, The Bortniansky Trio, Sinfonia Varsovia (Poland), Teatro del Maggio Musicale Fiorentino (Florence), Orchestre Colonne (Paris), Das Neue Orchester (Cologne), The English Concert, European Union Baroque Orchestra, Academy of Ancient Music conducted by Roy Goodman, Paul Goodwin, Andrew Parrott, Trevor Pinnock, Christoph Spering.
Olga Pasiecznik has recorded more than 25 CD for different labels including Naxos and Opus 111. Her recordings include Szymanowski's Kurpie Songs, Mozart's Requiem, Haydn's Nelson Mass, G.F. Handel's Imeneo, Bortniansky's opera Alcide. She has also made a radio recording of Witold Lutoslawski's songs.