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Professional Experience

2012-2023: United States Holocaust Memorial Museum

  • Research Director, Simon-Skjodt Center for the Prevention of Genocide

  • Historian, Division of the Senior Historian, Mandel Center for Advanced Holocaust Studies

2012-2012: Human Rights and Special Prosecutions Section, United States Department of Justice

  • Deputy Chief and Chief Historian

1983-2010: Office of Special Investigations, United States Department of Justice

  • Deputy Chief and Chief Historian, 2004-2010

  • Chief Historian, 1997-2004

  • Chief of Investigative Research, 1988-1997

  • Historian, Senior Historian, 1983-1988


Ph.D. in History, University of Virginia

  • Major Field: Modern Europe

  • Specialty: Modern Germany

  • Outside Field: Latin America

  • Fellowships: Deutscher Akademischer Austauschdienst, 1980-81; Governor's Fellowship, 1975-1979

MA in History, University of Virginia

  • Modern Germany

  • History of the Soviet Union

AB Vassar College

  • Major: Independent, combining German, Russian, and History

  • Also attended: Dartmouth College; Gutenberg University, Mainz, West Germany 

Select Publications

  • co-author with Joanna Sliwa: The Counterfeit Countess: The Jewish Woman Who Rescued Thousands of Poles during the Holocaust (Simon & Schuster, 2024).

  • German Influence in the Argentine Army, 1900 to 1945 (New York: Garland Publishing, Inc., 1991).

  • “Nowhere to Run: Denying Safe Haven to Participants in Atrocity Crimes, from the Perspective of the U.S. Experience,” in: Victoria Khiterer and Erin Magee, eds., Aftermath of the Holocaust and Genocides (Newcastle upon Tyne: Cambridge Scholars Publishing, 2020).

  • “History in the Courthouse: The Presentation of World War II Crimes in U.S. Courts Sixty Years Later,” in: Nathan Stoltzfus and Henry Friedlander, eds., Nazi Crimes and the Law (Cambridge: Cambridge University Press, 2008.

  • “The Disposition of SS-Looted Victim Gold During and After World War II,” American University International Law Review 14:1, 213-224 (1999).

  • "Majdanek:  Cornerstone of Himmler's SS Empire in the East," Simon Wiesenthal Center Annual 7 (1991).

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