Matthew Chellis is considered one of America’s most versatile singing actors. He has appeared with opera companies, orchestras and theatre companies in North and South America and Europe. Chellis has sung over twenty principal roles with New York City Opera and sung with Washington National Opera, Frankfurt Opera, Atlanta Opera, Opera Bogata, and Calgary Opera to name a few. Concert performances include numerous appearances at the Kennedy Center, Carnegie Hall, Avery Fisher Hall, and Boston Symphony Hall. Mr. Chellis has taught at New York University and Roosevelt University’s Chicago College of Performing Arts prior to his appointment at UC Boulder. He is the founder and executive director of the Up North Vocal Institute – an intensive four week vocal training program located in northern Michigan.