Assistant Professor, Department of History, George Mason University
Assistant Professor, St. Mary’s College of Maryland
Professor, Lehigh University
Research Professor, Center for Baltic and East European Studies, Södertörn University
Assistant Professor, Vassar College
Assistant Professor, Vassar College
Research Associate, Institute of the History of Ukraine, National Academy of Sciences of Ukraine
Bibliographer, University of Minnesota
Assistant Director of Research, Center for International Trade and Security