• 1998 – 2002

    Private Conservatory of Dezider Kardoš in Topoľčany (composition – Pavol Procházka)

  • 2001 – 2006

    Faculty of Music Arts of Academy of Arts in Banská Bystrica (composition – Vojtech Didi)

  • 2005

    Scholarship Erazmus at Akademia Muzyczna im. Feliksa Nowowiejskiego v Bydgoszczi (composition – Zbigniew Bargielski)

  • 2006 – 2007

    Music dramaturgist at Slovak Radio in Bratislava

  • 2006 – 2008

    Assistant of composition at the Faculty of music arts of Academy of Arts in Banská Bystrica

  • since 2006

    Pedagogue of special subjects at Private Conservatory of Dezider Kardoš in Topoľčany

  • since 2012

    Pedagogue of Church Conservatory in Bratislava

  • since 2012

    Music dramaturgist at Slovak Radio in Bratislava

Jaroslav Hruška is also active as a composer of popular music, pianist, singer and organizer of musical events.

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