Full-time professor at the Chamber Music Department of the Faculty of Music in Belgrade, where he earned his BA and MA degrees. Specialization he did at the Franz Liszt Academy of Music in Budapest. His extensive artistic biography includes two seasons playing as a solo cellist of Sarajevo Opera and Philharmonic Orchestra, full-time membership in Belgrade Philharmonic Orchestra and lead cellist position (1975–2004), then solo performances with Sarajevo Philharmonic Orchestra, Vojvodina Symphony Orchestra, RTS Symphony Orchestra, Military Orchestra of Yugoslavia and more. He was a soloist and member of baroque ensemble Muzika Florida and academic chamber ensemble Ensemble Jeunesse Musicale. Among his performances stands out the Millenium Gala Concert in NY Lincoln Center in 1999. He is a permanent associate at the orchestra Camerata Serbica, as well as the member of Pancevo string quartet (today: Arco String Quartet). He’s the founder of Jewish Chamber Orchestra, with which he has made a large number of performances. The string quartet TAJJ, whose member mr. Mezei is, became in 2005 the first quartet that earned an MA degree at the Faculty of Music, Belgrade.