Ondřej Martinovský started playing violin at the age of five under the guidance of Zdeněk Vyoral at the Music School of the City of Prague. In 1998 he entered the Jan Neruda Gymnasium where he continued his violin studies in the class of Magdalena Micková. In 2002 he began studying the viola under the guidance of Karel Doležal, in whose class he was also later to study at the Prague Conservatory. He studied at Prague’s Academy of Performing Arts in the class of Professor Lubomír Malý.
Ondřej Martinovský was a member of the PKF — Prague Philharmonia and he took part in the PKF — Prague Philharmonia and the Czech Philharmonic Orchestral Academies. He successfully gained a place in the Gustav Mahler Jugendorchester and the Youtube Symphony Orchestra. At present, he is a member of the Prague Symphony Orchestra.