Colorado MahlerFest is an annual event held in Boulder, Colorado, which each year celebrates one major symphonic work by Austrian composer Gustav Mahler. While "Colorado MahlerFest" is the official name of the event and the organization, the individual annual events are simply referred to as "MahlerFest" (dropping the "Colorado"), followed by a Roman numeral. It is the one of only two North American arts organizations to have received the Gold Medal of the International Gustav Mahler Society (the other being the New York Philharmonic. The founder of MahlerFest was conductor , who currently serves on the faculty of the University of Missouri–Kansas City who led the festival until his retirement in 2015. Kenneth Woods succeeded Olson as Artistic Director in 2016.