Mario Zeffiri. Born in Athens he was awarded a scholarship from the Maria Callas Foundation to study at the Accademia del Teatro alla Scala and in Spain with Juan Oncina. A highly regarded exponent of the Bel Canto repertory, he enjoys a flourishing international career, appearing in important theatres alongside some of the most illustrious artists of his generation. He also performs with celebrated conductors, especially with Riccardo Muti with whom he has collaborated for some time and has made many recordings for both DVD and CD.