Šimon Zajac was born in 2003 in Ostrava. At the age of four, he began studying at the Eduard Marhula Elementary Art School in Ostrava – Mariánské Hory under the guidance of MgA. Liana Svobodová. He has successfully participated in several competitions, such as the national round of the ZUŠ Piano Competition 2017 – 2nd place, ProBohemia Ostrava 2017 – 2nd place, and the International Piano Competition of Vítězslav Novák in Kamenice nad Lipou 2022 – 3rd place. In June 2019, he performed as a soloist with the Janáček Philharmonic Ostrava.
Since 2019, he has been studying at the Janáček Conservatory in Ostrava in the class of MgA. Hana Kundrátová. Besides piano performance, he is also involved in composition, works as an accompanist, and performs in various chamber ensembles. In 2023, as a member of the trio Sono per Sono with flutists Alexandra Piskořová and Richard Irein, he received a second-degree honorable mention at the International Radio Competition Concertino Praga. Since 2022, he has been teaching at the Elementary Art School in Klimkovice. In the future, he wishes to continue his piano studies, participate in chamber music projects, and pursue a teaching career.