Dr. phil. habil, is a staff member at the Federal Institute for Culture and History of the Germans in Eastern Europe (BKGE) in Oldenburg. He works on urban history and social space, Russian-German and post-Soviet migration history and post-migrant presence, and the history of German "Ostforschung."
- On the Margins of the City? Social Spaces of the Poor in St. Petersburg (1850-1914), Vienna, Cologne, Weimar: Böhlau 2019 (Peripheries. Contributions to European and Global History, vol. 4)
- (together with with Victor Dönninghaus and Jannis Panagiotidis) Beyond the "Ethnic Group". New Perspectives on the Russian Germans between Russia, Germany, and America, Berlin, Boston: De Gruyter 2018 (Schriften des Bundesinstituts für Kultur und Geschichte der Deutschen im östlichen Europa, vol. 68)