Earlier on a very successful young violinist (Beethoven's Hradec competition 1964), he began his conducting career in 1971 at the Plzeň Opera, from where he moved to Ústí nad Labem as head of the opera company there. His musical development was greatly influenced by his successes in conducting competitions in Olomouc (1970), Besançon in France (1971) and in the Herbert von Karajan competition in Berlin (1973).
In 1978 Petr Vronský was appointed conductor of the State Brno Philharmonic and, during the years 1983-1991, he was its Chief Conductor. He took this orchestra on tour to many countries in Europe, in the United States and Japan. While he was working in Brno he also taught at the Janáček Academy of Performing Arts. In the years 2002-2005 he was Chief Conductor of the Janáček´s Philharmonic Ostrava, with whom he also travelled extensively on tour (Taiwan, Japan, Spain, Austria, Germany, Poland etc.). He has been Honorary Chief Conductor of the Moravian Philharmonic Olomouc since the 2005-2006 season, and he lectures on conducting at Academy of Performing Arts in Prague.
Petr Vronský is regularly invited to conduct leading world orchestras (Royal Flemish Philharmonic in Antwerp, the Berlin Symphony, Istanbul Devlet Senfoni Orkestras?, Tokyo's Metropolitan Orchestra, the Philharmonic Orchestra in Rio de Janeiro, the Munich Radio Orchestra, the St Petersburg Philharmonic). He also works with the top orchestras in this country (Czech Philharmonic, Prague Radio Symphony Orchestra, Prague Symphony Orchestra) and with opera theatres at home (Prague's National Theatre, the State Opera in Prague, the Janáček Opera in Brno, J. K. Tyl Theatre in Plzeň) and abroad (Viennese Chamber Opera, Netherlands Dance Theatre in the Hague).
His repertoire comprises over two hundred symphonic and operatic works. He is regarded as a versatile conductor with a broad scope, and an exceptional disposition and sensitivity for musical interpretation. Vronský's discography is also fascinating, wide-ranging and highly acclaimed by the critics.