Tošovský ya yi karatu a harkokin kasuwanci na kasa da kasa a Jami'ar Tattalin Arziki, Prague daga 1968 zuwa 1973. Bayan kammala karatunsa, ya yi aiki a Bankin Jihar Czechoslovakia, inda ya rike wasu mukamai, ciki har da mai ba da shawara ga shugaban. Ya kuma yi aiki a London a lokacin shekarun 1980 a ofishin reshe na Zivnostenska banka. A shekara ta 1989, an nada shi Gwamna na Bankin Jihar Czechoslovakia. Bayan rabuwa da Jamhuriyar Czech da Slovak Federal Republic da kuma kafa Bankin Ƙasar Czech, an nada shi Gwamna na Bankin Ƙasar Czech a ranar 20 ga Janairu 1993. A matsayin Gwamna, Tošovský ya shiga cikin tsara tsarin gyare-gyaren tattalin arziki da kuma aiwatar da shi a cikin kudaden kuɗi da kuma yankunan banki. Ya shiga cikin tsarin tsarin tsarin mulki da tsarin mulki na tsarin tsakiya a Czechoslovakia, inda ya gudanar da shugaban kasa.
22 ga Yuli 1998