 In 2015, he took Emeritus status at USC when he moved to Oberlin Conservatory to chair its composition department.Hartke has received commissions from numerous groups, including the Orpheus Chamber Orchestra for the new Brandenburg Project, Glimmerglass Opera (for "The Greater Good, or the Passion of Boule de Suif"), the New York Philharmonic, the National Symphony Orchestra, and the Hilliard Ensemble.He received a Guggenheim Fellowship in 1997, a Charles Ives Prize from the American Academy of Arts and Letters in 2004, and the Charles Ives Opera Prize from the American Academy of Arts and Letters in 2008.