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1984 – 1990
the Bratislava Conservatory (under Viktor Vavro)
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1990 – 1991
the Conservatoire Marcel Dupré, Paris (under Ida Ribery)
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1991 – 1994
the Academy of Performing Arts, Bratislava (under Miloš Jurkovič)
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1990
International performance course in Piešťany (under Miloš Jurkovič)
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1991, 1992
International performance course in Piešťany (under Vladislav Brunner)
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1994
The Musikforum Viktring-Klagenfurt (under Michael Martin Kofler)
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1995
The TIJI/UNESCO Academy (under Vladislav Brunner)
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1997
The Holland Music Sessions (under Auréle Nicolet and András Adorján)
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since 1991
member of the Slovac Philharmonic Orchestra
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As a soloist, he has performed with the Slovak Philharmonic, the Solistes Européens Luxemburg, and the Bratislava Chamber Soloists, under a number of conductors (Bystrík Režucha, Christoph Campastrini, and Jack Martin Händler, amongst others). He regularly performs chamber music (for example, as a member of the Con media dell'Arte wind quintet).
Reviewers of Janošík have agreed that he is a talented and progressive musician, who continues to represent the zenith of performance art.
He taught the flute at the Academy of Performing Arts in Bratislava from 1994 – 2004.