Petar Mladenovic was born in 1957 in Šekovići (Yugoslavia). He began his musical studies with the violin, but later turned to the viola. In 1976, he entered the Higher National Music Conservatory in Belgrade, from which he graduated (Magisterium) in 1987. Later, he pursued specialised studies under Gérard Caussé, Yuri Bashmet, and Ulrich Koch. Petar Mladenovic has won a number of prizes: in 1980, he was awarded first prize in the string quartet category, as well as a special prize, at the Zagreb Conservatory Competition; in 1981, he was awarded first prize in the viola category at the Belgrade Conservatory Competition; that same year, he won first prize in the viola category in Sarajevo; in 1984, he received a special prize as the most gifted musician in Yugoslavia and was awarded third prize in the musical artist category. As a soloist, Petar Mladenovic has performed Carl Stamitz’s Concerto in D major with the Duran Skovran chamber orchestra and Britten’s Lachrymae in a version by Ivan Jevtic for solo viola and chamber orchestra. He also impressed as a soloist in recitals in the former Yugoslavia and in Paris. Petar Mladenovic took part in an exchange programme with Oxford and Cambridge as the best (string) student and performed solos there. From 1976 to 1988, he was a member of the Belgrade Chamber Orchestra (from 1978, as solo violist). At the time, he taught the viola at the Mokrinjac music conservatory in Belgrade. From 1986 to 1988, he was a lecturer in the viola class at the Higher National Music Conservatory in Belgrade. In November 1988, he became solo viola of the Schleswig-Holsteinisches Landestheater und Sinfonieorchester in Flensburg. Since October 1989, he has been solo violist with the Orchestre Philharmonique du Luxembourg. Since 2008, he has lectured at the Conservatoire de la Ville de Luxembourg.