Born in Damascus, Jabri began his musical education by studying the violin with Riyad Sukar in his native town. He completed his M.A. degree with honors from the Music Academy of Cracow in Poland where he studied composition with Zbigniew Bujarski. He won the first prize at the Adam Didur Composers' Competition in Sanok in 1997 for his piece (Two Songs for Soprano and String Orchestra). Jabri’s works have been performed in Poland, Germany, Dubai, Egypt (Opera House), Tunisia, France, Italy, USA, Armenia, Syria, Slovakia, Belgium during the young composers forum Tactus 2011, Ukraine (by Lviv philharmonic during Contrast Festival, Uzhgorod philharmonic & by Kiev Kamerata during The Festival of Modern Music), Holland and the United Kingdom.