1978 – 1982
Conservatory in Bratislava (trombone – Jaroslav Beneš)
1982 – 1986
Academy of Performing Arts Bratislava (Jozef Gašparovič), during college studies member of Slovak Radio Symphony Orchestra
member of Slovak Philharmonic (currently as first trombonist)
1990 – 1996
member of National Symphony Orchestra in Johannesburg
Michal Jaško is founder of two chamber ensembles: Bratislava Brass Quintet (occasional cooperation presently) and Bratislava Trombone Quartet (member from 1985 – 1990) and also a member of the Czech National Symphony Orchestra Prague (2000 – 2003 concert tour in Japan).