[2][3] Son of the late flautist and former teacher at Mozarteum University of Salzburg, Florin Ouatu, he was born into a family of musicians in Ploiești.

[4] He graduated from the "Carmen Sylva" School of Arts in his hometown and the Milan Conservatory.

[4] In Italy, Cezar graduated the bel canto classical singing section with maximum mark.

Cezar made his professional opera stage debut in 2007 at La Fenice, Venice.

[8] Ouatu released his first pop-opera single "Cinema Paradiso" on Christmas Eve, 24 December 2012.