Fabio Mastrangelo is one of the most sought-after conductors in Russia and all over the world. Maestro Mastrangelo is Artistic Director of the St.Petersburg State Music Hall Theatre, Artistic Director and Principal Conductor of the Northern Sinfonietta Orchestra of the Music Hall Theatre, Principal Conductor of the Symphony Orchestra of the Yakutia State Philharmonia «Simphonica ARTica», Principal Guest Conductor of the Novosibirsk Academic Symphony Orchestra and of the Kolobov Novaya Opera Theatre of Moscow, Guest Conductor of the Mariinsky Theatre.
Fabio Mastrangelo performs with orchestras of the St.Petersburg and Moscow Philharmonic Societies and also with prestigious Moscow orchestras such as State Academic Symphony Orchestra «Evgeny Svetlanov», The National Philharmonic of Russia, New Russia State Symphony Orchestra and Chamber orchestra Moscow Virtuosi.
The musician is a permanent participant of the famous Opera Festival of Arena di Verona (Italy) and Artistic Director of the St.Petersburg International Festival All Together Opera (open-air). In August 2013, Fabio Mastrangelo was appointed Artistic Director of the St.Petersburg Music Hall Theatre. In 2015, Maestro Mastrangelo founded The Northern Sinfonietta, the chamber orchestra of the St.Petersburg State Music Hall Theatre.
On June 1st, 2016, The  Northern Sinfonia Orchestra of the St.Petersburg Music Hall Theatre began its activity under the leadership of Maestro Fabio Mastrangelo. In 2020 Fabio Mastrangelo was awarded the medal of Paul Harris, the founder of international Rotary Club, «in recognition of appreciable and significant assistance in deepening mutual understanding and friendship between peoples», as well as a diploma of the honorary member of the Rotary Club in Fasano.