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1955 – 1961
State Conservatory in Bratislava (accordion, piano)
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1957 – 1958
amateur jazz playing in the Reduta café and at youth events in the Tatra revue
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1959 – 196
founder of the West Coast Combo
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1961 – 1963
founder of mainstream Bratislava Jazz Studio; 1st place at the Young Creation Contest (1961, 1962)
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1961 – 1969
Academy of Music and Drama in Bratislava (conducting, composition) (Alexander Moyzes)
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1964 – 1981
founder of the Braňo Hronec Sextet (later renamed Orchestra), touring successfully Europe, Central Asia and Cuba; the Bratislava Lyre festival (1968, 1970, 1971, 1973, 1975)
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1966
Jazz Festival Praha (CZ) (as the first Hammond player in Czechoslovakia)
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1985 – 1990
conductor of the Czechoslovak Television Dance Orchestra
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1990 – 1997
composition educator at the Academy of Music and Drama in Bratislava