Andrzej Paczkowski is Professor at the Institute for Political Studies, Polish Academy of Sciences, Warsaw, where he also is a member of the Board of the Institute of National Remembrance. He serves as editor of Intermarium: An Online Journal of East Central European Postwar History and on the editorial board of the Harvard Project on Cold War Studies. He co-authored, with Stéphane Courtois, Nicolas Werth, Jean-Louis Panné, Karel Bartosek, and Jean-Louis Margolin, The Black Book of Communism: Crimes, Terror, Repression (1999).