Pittsburgh Festival Opera (PFO), formerly Opera Theater of Pittsburgh, is a professional American opera company based in Pittsburgh's university and museum district. Pittsburgh Festival Opera performs at non-traditional venues around the city. Pittsburgh Festival Opera was established in 1978 by the noted opera star Mildred Miller Posvar and Helen Knox. In 2012, Pittsburgh Festival Opera reinvented itself as a summer festival presenting staged operas, musicals, recitals, and cabaret. PFO is currently under the leadership of Managing Director Roxy MtJoy and Artistic Director Marianne Cornetti.