As a tenor, Matthew Chellis has appeared to critical and popular acclaim throughout the United States, Canada, Europe and South America. He has performed with the New York City Opera, National Symphony, Atlanta Opera, Opera de Bogota, Frankfurt Opera and many others. He has served leading roles in Il Barbiere di Siviglia, Don Juan in Prague, Don Giovanni, Rigoletto, The Mikado, The Pirates of Penzance and numerous others.