Karol Sikora was born in Wadowice, where he attended the Primary and Secondary State Music School, studying the clarinet in the class of Bartłomiej Kozina. Karol is a graduate of the Academy of Music in Cracow. He graduated with honours from the clarinet class of Professor Andrzej Godek.
He is a multiple laureate of international music competitions, as soloist and chamber musician. Karol Sikora has refined his skills in many master classes under the direction of distinguished musicians, including Florent Heau, Shirley Brill, Jonathan Cohler, Gabor Varga, Philippe Cuper, Nuno Pinto, Kirill Rybakov, David Krakauer, Nina Janßen-Deinzer, Michel Lethiec, François Benda, Eduard Brunner, Olivier Vivares, Jean-Marc Fessard, Arkadiusz Adamski and Aleksander Romański.
Karol is an active orchestral musician, playing with, among others, the Cracow Philharmonic, the Orchestra of the Beethoven Academy, the Cracow Camerata, the Kalisz Philharmonic and the Wonderful Youth Orchestra. He has played more than ten Polish and worldwide first performances at such festivals as the Warsaw Autumn International Festival of Contemporary Music and the Neue Musik International Festival in Darmstadt.
He has received scholarships from the Minister of Science and Higher Education (2013/2014), from Sapere Auso – the Małopolska Scholarship Foundation (2013/2014, 2015/2016), from the Minister of Culture and National Heritage (2015/2016, 2016/2017) and from the Young Poland programme (2017).
In 2016 Karol Sikora was accepted into the Sinfonia Varsovia Academy. In 2017 he joined the Sinfonia Varsovia Orchestra as clarinettist.