Cristiano Mastroianni guitarist and composer, began his professional career in jazz in the late 1990s, collaborating as a sideman or leader with numerous artists of international caliber with whom he recorded and performed in concerts, festivals, and theaters in every corner of Italy, including Daniele Tittarelli, Roberto Gatto, Greg Osby, Pietro Lussu, Matt Renzi, Marco Valeri, Pietro Ciancaglini, Tony Scott, Claudio Corvini, Alice Ricciardi, Vincenzo Florio, and numerous others.

Cristiano Mastroianni parallel to his intense concert and recording activity, carries on a fervent teaching activity teaching in numerous schools in the capital and since the early 2000s has been a tenured professor of jazz guitar, improvisation and ensemble music at the Saint Louis College of Music.