Lead violinist of the Teatro Lirico Foundation in Cagliari since 2009, Gianmaria began studying the violin under the guidance of Paolo Marascia, then continued with George Mönche, Igor Volochine, Felice Cusano and Sergey Krylov. At the age of seventeen he won second prize at the national Mario Benvenuti violin competition, the City of Vittorio Veneto Prize, and the following year he was awarded full marks for his violin diploma at the Giovanni Pierluigi da Palestrina conservatoire of Cagliari.
Gianmaria perfected his studies in masterclasses with Nicolas Chumachenco and Thomas Brandis, and trained in orchestral courses with the Italian Youth Orchestra, as lead violinist for two years. At the same time, he studied quartet and chamber music with Piero Farulli. Gianmaria won three international orchestral competitions, at the Arturo Toscanini of Parma, Teatro Lirico of Cagliari and Haydn of Bolzano and Trento Foundations.
Gianmaria has performed with various orchestras: Sinfonica Nazionale of the RAI of Turin, Pomeriggi Musicali of Milan, Filarmonica Toscanini of Parma, Teatro Carlo Felice of Genoa (lead violin of the seconds, front desk of the first violins), Galilei of Florence (lead violin during the conducting courses of Carlo Maria Giulini), Sinfonica Haydn of Bolzano and Trento, Sicilian Symphonic Orchestra (lead violin of the seconds). Over the years he has been invited as guest lead violinist by orchestras such as: Orchestra of the Teatro Maggio Musicale Fiorentino, Orchestra of the Teatro Petruzzelli of Bari, Orchestra Filarmonica Arturo Toscanini, Orchestra of the Teatro Verdi of Salerno.