He teaches a range of courses including Western Civilization, Genocide, the Holocaust, Modern German History, Modern Central European History, African History, Fascism, and the History of Race, Nation & Ethnicity. As Director of the Center for Holocaust and Genocide Studies, Dr. Frey has spearheaded efforts to increase awareness and understanding of the phenomenon of genocide, history, and means of prevention at West Point, at other service academies, and throughout the Department of Defense. He was a Fulbright Scholar in Hungary 2012. His West Point projects have been supported by the Army Research Office and the Defense Advanced Research Projects Agency.