is a graduate of the Vocal Department at Fryderyk Chopin Music University in Warsaw in the class of Artur Stefanowicz, under whose vocal supervision he remains until today. Already as a student, Michał Sławecki made his debut in Castle Opera in Szczecin as Prince Orlovsky in Strausses "Fledermaus".
In the following years of his professional career he performed in such locations as: the National Philharmonic in Warsaw, Philharmonic in Szczecin, Gdansk and Bydgoszcz, Silesian Opera in Bytom, Polish Theater in Warsaw, National Opera in Warsaw, Opera Nova in Bydgoszcz, Castle Opera in Szczecin, Theater di Manoel on Malta. He performed with concert repertuar in Lituania, Latvia, Malta, Italy, France, Germany, Greece, Austria, South Africa, Serbia and Kazahstan.
His broad repertuar covers various periods, from baroque to modern compositions. He appeared on stage performing the parts of: First Witch in Purcell's Dido and Aeneas, Sesto in Händel's Julius Caezar, Orlovsky in Strausses Fledermaus, Nerone in Monteverdi's l'Incoronazione di Poppea, Nerone in Haendel's Agryppina, the totle part in Händel's Rinaldo, Cherubino in Mozart's Lenozze di figaro, Voyager”s in Kupczak Voyager.
Michał Sławecki took part in various vocal courses, which gave him the opportunity to work with: Paul Esswood, Michael Chance, James Oxley, Jadwiga Rappe, Olga Pasiecznik.
He cooperates with such prominent polish composers as: Paweł Mykietyn, he performed his compositions in Rome "Corso Polonia X Edizione del Festival delle Arti Unite", on Malta "Teatro di Manoel Cocert of Polish Contemporary Music Masters", in Germany "POST FINE ARTS-Paweł Mykietyn Shakespeare's Sonnets (2000)", in Lviv "XVII Internation Contemporary Music Festival" and in South Africa „National Arts Festiwal”; Bartek Chajdecki, he performed in the prapremiere performance of his "Missa" in Baltic Philharmonic in Gdańsk with the Polish Baltic Philharmonic Orchester in Gańsk conducted by Piotr Sulkowski; Maciej Zieliński, Michał performed in Zieliński's concert "Kolęda Nova" with the AUKSO Orchester conducted by Marek Moś (the concert was registered by the TVP- Polish Television); Andrzej Zarycki, Mochał performed in the prapremiere performance of his "Golgota Polska" in Baltic Philharmonic in Gdańsk with the Symphonic Orchester conducted by Tadeusz Wicherek (concert registered by TVP).
On his account, Michał Sławecki has also CD recordings as well as radio and television appearances.