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1988 – 1994
State Conservatory in Bratislava (trumpet)
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1988
member of the gospel group Kontakt (Contact)
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1989
member of the Big Band of Bratislava Conservatory
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1989 – 1994
member of the group Bossa Noha; participation at Slovak Jazz Festival in Žilina (1991, 1992); Jazz Workshop in Frýdlant (CZ, 1992); International Jazz Festival in Přerov (CZ, 1992)
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1990 – 1994
member of the group Brož Band (Peter Preložník – keyb, Martin Gašpar – bgui, Marcel Buntaj – dr); performing at Slovak Jazz Festival in Žilina (1991)
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1991
participation at workshop East-West Music Seminar Jazz-Rock-Latin (DK)
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1992
guest artist in the group Jazz Special of Juraj Kalász; participation at Jazz Workshop in Klagenfurt (AT)
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1994
cooperation with Ján Hajnal
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1993 – 1994
member of the group Czechoslovak Quintet; performing at Bratislava Jazz Days '94
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2002
co-founder of the group Barflies (Oskar Rózsa – bgui, programming, Ľubor Priehradník – tr, Róbert Rist – bat)
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2003
member of Oskar Rózsa Sextet