Historian-teacher, graduate of the Faculty of History and Philosophy of the University of Wrocław and Postgraduate Studies in Early School Education at the University of Warsaw. Co-founder of the Lauder-Morasha Schools in Warsaw, long-term teacher and deputy director for the Jewish program of these institutions. Author of school curricula and textbooks for teaching Jewish culture and history. Academic lecturer. Since 2008, an employee of POLIN Museum of the History of Polish Jews. The first head of the Education Department at the Museum, currently he is the Chief Specialist for Judaic Studies and Methodology. Musician and composer, hazzan of the Nożyk Synagogue in Warsaw.