Ph. D., Max and Rita Haber Professor of Holocaust and East European Studies, Institute of Contemporary Jewry, Hebrew University, Jerusalem(1995-present). Associate Professor, Avrham Harman Institute of Contemporary Jewry, and School of Education Hebrew University of Jerusalem (1995-2000), Head of the Academic Committee Melton Center for Jewish Education (2001-present). Chair, Vidal Sassoon International Center for the Study of Antisemitism (1995-2002), Hebrew University. Member of the editorial board of the International Research Institute of Yad Vashem, Jerusalem (1995-2002).

Publications include: Escaping the Holocaust: Illegal Immigration to the land of Israel (1991), co-author, The Dead-End Journey (1996), ed., New Immigrants and Veterans in the Massimmigration to Israel, 1948-1952 (1997), co-ed., Women in the Holocaust (1998).