George Petean was born in Cluj-Napoca (Romania), where he finished the Music School (piano and trombone) and studied singing at the Music Academy "G. Dima" in Cluj-Napoca, continuing his studies with Vicente Sardinero and Giorgio Zancanaro.
In 1997 he made his Romanian debut in the title-role of Don Giovanni, followed by Malatesta in Don Pasquale, Silvio in Pagliacci, Figaro in Il Barbiere di Siviglia, Valentin in Faust, Ford in Falstaff and Marcello in La Bohème at the Opera in Cluj-Napoca.
In 1999 he was the winner of the Grand Prix of the international singing competition "Hariclea Darclée" in Romania.
During the 2000 season he made his international debut in the role of Marcello in La Bohème at the Rome Opera House.
From 2002-2010, he was a member of the Hamburg State Opera.
He has appeared on the most important international opera stages, in IL Il Barbiere di Siviglia (in Frankfurt, Hamburg, Vienna State Opera, Beijing, Royal Opera HHouse Covent Garden, Opéra de Paris Bastille, Teatro Comunale Bologna), Pagliacci (at Royal Opera House Covent Garden), Il Trovatore (in Bregenz Festival, Grand Théâtre de Genève), La Bohème (at Opéra de Paris, Frankfurt, Hamburg, Opéra de Monte Carlo, Metropolitan Opera New York), Don Carlo (in Vienna State Opera, Frankfurt, Munich, Hamburg), Lucia di Lammermoor (for the Vienna State Opera, Opéra National du Rhin Strasbourg, Frankfurt, Hamburg), L’elisir d’amore (at Opéra de Paris Bastille, Hamburg), L’amico Fritz (at the Deutsche Oper Berlin with recording for Deutsche Grammophon), Un ballo in maschera (at Vienna State Opera, ORW Liège, Opéra de Lausanne, Aalto Theater Essen, Hamburg), La traviata (at the Deutsche Oper Berlin, Hamburg, Teatro de la Maestranza in Sevilla), Faust (at the Hamburg State Opera), Rigoletto and Atilla (at the Opéra de Monte Carlo).
Future engagements include I puritani in Zurich, Simon Boccanegra in Sydney, Lucia di Lammermoor in Vienna, Il trovatore in Berlin, Otello in Madrid and Dresden, Andrea Chenier at Bayerische Staatsoper in Munich and La traviata at Metropolitan Opera in New York.