Rossen Gergov was born in Bulgaria in 1981. When he was five he began receiving tuition in the piano, and later additionally took up the study of clarinet and composition, but his true passion was for conducting. At the age of 18 he went to Vienna to study in the class of Leopold Hager at the University of Music and Performing Arts. After just two years Seiji Ozawa noticed his talent and invited him to the Tanglewood Music Festival. He was an assistant and pupil of Seiji Ozawa for the next few years. Gergov completed his conducting studies with distinction in 2004 and conducted the Vienna Radio Symphony Orchestra in the Vienna Musikverein. A short time afterwards he became assistant conductor of the Tonkünstler Orchestra of Lower Austria, remaining in the post until 2009. In summer 2007 he made a highly successful debut at the Bregenz Festival with the contemporary opera Playing Away by Benedict Mason, and in the following year he returned to conduct Tosca on the Lake Stage with the Vienna Symphony Orchestra. Gergov has conducted orchestras like the Bamberg Symphony Orchestra, the BBC Symphony Orchestra, the BBC Scottish Symphony Orchestra, the Century Orchestra Osaka, Ensemble Orchestral de Paris, the Graz Philharmonic Orchestra, the Jena Philharmonic Orchestra, the Kanagawa Philharmonic Orchestra, the Kyoto Symphony Orchestra, the Vienna Radio Symphony Orchestra, the Basel Symphony Orchestra, the Symphony Orchestra of Norrlands Opera, the Tyrol Symphony Orchestra of Innsbruck, the Tonkünstler Orchestra of Lower Austria and the Vienna Symphony Orchestra.