Krzysztof Bączyk graduated from the Poznań Music Academy and was a member of the Young Artists Akademia Operowa Programme (Polish national Opera) and of the Poznań Grand Theatre Opera Academy, where he performed in Lady Macbeth of Mtzensk, Thomas's Hamlet, Aida, Eugene Onegin, Le Nozze di Figaro, Parsifal, Don Giovanni and Der Freischütz.&nbsp;In 2012, he took part in the Aix Festival Academy's Lyrical Workshop which was the marking point of an intense collaboration with the Festival during the following years: he returned in various productions such as Cavalli's Elena, The Magic Flute, Alcina, Don Giovanni and The Fiery Angel.&nbsp;In January 2016, he made his Warsaw Opera debut in the role of Publio (La clemenza di Tito), and then returned in The Magic Flute, Carmen and The Fiery Angel. In the following seasons, he performed at the Paris Opera (Don Carlos, Lady Macbeth of Mtzensk, Tosca, The Barber of Seville, Iolanta, Il Pirata), at the Teatro Real, Madrid (Don Giovanni), the Lyric Opera, Chicago (The Barber of Seville), the Zurich Opernhaus (I Capuleti e i Montecchi, Alcina, Lucia di Lammermoor, Don Giovanni, La Bohème), the Arena di Verona (Aida, Carmen, Tosca), the Bilbao ABAO-Olbe (La Bohème) and the Théâtre des Champs-Élysées (Alcina). In concerts, he sang in Mozart's Requiem at the Opéra national de Lorraine, Rossini's Stabat Mater with the Capitole de Toulouse and the Philadelphia Orchestras.&nbsp;During season 2021/22, he made his debut at the Glyndebourne Festival in Luisa Miller, at the Royal Opera House in London, the Opéra de Rouen in The Magic Flute, and the Bolshoi Theatre, Moscow, in Don Giovanni. He returned to the Teatro Real, Madrid, in La Bohème and to the Paris Opera in Don Giovanni, and then sang in Le Nozze di Figaro in Wrocław, and in Mozart's Requiem with the Accademia di Santa Cecilia in Rome.