Ionel Petroï (born in Usdin, Yugoslavia, to Romanian parents, 1958) attended the Belgrade Conservatory of Music, and received his Ph.D. and first prize in composition, conducting, piano, and double bass. He also attended the Paris Conservatory of Music and was awarded a diploma and first prize in composition. He is now a French citizen and lives in Paris.

Ionel Petroï's works include over forty compositions for orchestra, chamber ensembles, instrumental ensembles with electronics, computer music, ballet, and opera. His works have been performed and received radio broadcasts throughout Europe. He is presently at work on an opera to a text by Eugène Ionesco, scheduled for presentation on French television. Performances include those by the Belgrade Philharmonic Orchestra, the Orchestra of l'Ile de France, the Erwartung Ensemble, the Trio of Ensemble Modern, and Die Reihen of Vienna.