Professor Liebman has taught at Queens College since 1973 as well as at NYU and Columbia University. He served as founding Coordinator of the Film Studies Certificate Program at the CUNY Graduate Center (1993-2000) and completed a seven and a half year term as Chair of the Department of Media Studies at Queens College in June, 2003. He now serves as the Coordinator of the Film Studies Program at Queens College. In Spring 2004, he was a research Fellow at the United States Holocaust Memorial Museum in Washington, D.C. In 2006, he was named an "Academy Film Scholar" by the Academy of Motion Picture Arts and Sciences in Los Angeles. His most recent essays include “Historiographie et Cinéma de l’Holocauste: Défis et avancées,” in Jean-Michel Frodon, ed., Le Cinéma et la Shoah (Paris: Cahiers du Cinéma, 2007); “Verdict on Auschwitz.” Cineaste Vol.XXXII, No. 4 (Fall 2007); “The New Battleship Potemkin.” Cineaste Vol. XXXIII, No. 4 (Fall 2008); “J’Accuse and La Roue by Abel Gance.” Cineaste Vol. XXXIV, No. 1 (Winter 2009); and “Réflexions sur les Polonais et les Juifs dans le cinema polonaise après la Seconde Guerre mondiale” in Jean-Charles Szurek and Annette Wieviorka, eds., Juifs et Polonais, 1939-2008 (Paris: Albin Michel, 2009). His edited anthology, Claude Lanzmann's Shoah: Key Essays was published in February 2007 by Oxford University Press. In 2008-09, he has been named a Fellow at the University of Connecticut’s Humanities Institute where he is working on a book about the first ten years of Holocaust representation in cinema.