Professor Yfaat Weiss teaches in the department of Jewish History and Contemporary Jewry and heads The Franz Rosenzweig Minerva Research Center for German-Jewish Literature and Cultural History. In 2008-2011 she headed the School of History at the Hebrew University of Jerusalem, and in 2001-2007 she headed the Bucerius Institute for Research of Contemporary German History and Society at the University of Haifa. Weiss was a Senior Fellow at the International Research Center for Cultural Studies (IFK) in Vienna (2003), a visiting scholar at Simon Dubnow Institute for Jewish History and Culture in Leipzig (2004), a visiting Fellow at the Hamburg Institute for Social Research (2005-2006), at the Remarque Institute of European modern history of the University of New York (2007) and at the International Institute for Holocaust Research – Yad Vashem (2007-2008).
In the years 2002-2005 she was part of an international study group on the subject of "History in a Multi-ethnic Network: German-Jewish-Czech Triangle (1880-1938)" which was financed by the German Israel Foundation (G.I.F). Since 2006, she participates in an international study group investigating ethnic migration, nation state formation and property regimes in Poland, Czechoslovakia and Israel. This study is also financed by the German Israeli Foundation (G.I.F). In 2008-2011 she participated in an international research project of the history of the Jews in Germany after 1945, funded by the Volkswagen Foundation. She is a member in the editorial board of Zalman Shazar publication house, the editorial board of Yad Vashem Studies, and the editorial board of Magnes Press.
In 2009-2010 Weiss, with the cooperation of Dr. Marcos Silber, established a study group on the subject of "The Influence of East and Central Europe on Zionism and on the State of Israel" at The Van Leer Jerusalem Institute.
The scope of her publications covers German and Central European History, and Jewish and Israeli History. Her research concentrates on questions of ethnicity, nationalism, nationality and emigration.