Maestro Mastromonaco is currently the Music Director for the Mississauga Symphony Orchestra, Mississauga Symphony Youth Orchestra, York Symphony Orchestra and Opera York. He is engaged in both symphonic and operatic conducting, having held posts with organizations including Royal Opera Canada, the National Academy Orchestra and the State University of New York, where he taught conducting and worked with the College Symphony, the Hillman Opera, Sinfonia and the Chamber Orchestra. Maestro Mastromonaco has conducted throughout Canada, the United States and Europe including Germany, Austria and Italy with. He has been a regular guest conductor for the West Bohemian Symphony Orchestra, Czech Republic and has had the pleasure to conduct various ensembles which include the Camerata Strumetale di Prato, Orchestra di San Giorgio, National Arts Centre Orchestra, Symphony on the Bay, Sofia Philharmonic Orchestra, members of the Pittsburgh Symphony and Bethany College Choir.
A graduate of the University of Toronto, Maestro Mastromonaco went on to obtain a Master of Music Degree in Orchestral Conducting from the State University of New York, attaining summa cum laude honours. With extensive international training, he also holds diplomas in conducting from the Wiener Konservatorium, the Salzburg Mozarteum and from the Accademia Musicale Chigiana in Siena, Italy. His work with distinguished conductors and orchestras include Salvador mas Conde, Jorma Panula, Gustav Meier, Hans Zender, Lothar Zagrosek, Vancouver Symphony, Cleveland Institute of Music Orchestra, Windsor Symphony and the Vidin State Philharmonic.
As an advocate for music in the community, Maestro Mastromonaco has been Music Director for numerous ensembles and has taught, adjudicated and served as clinician for schools, arts festivals and competitions all while promoting the importance of music in local communities. He has been the recipient of prestigious awards including the Emme Contestabile Prize in Orchestral Conducting from Accademia Musicale Chigiana, the City of Vaughan 2005 Outstanding Citizen Award and in 2013 the Ontario Service Medal for contribution to the arts.