Dekel Peretz has been a top guide in Berlin, Potsdam, Dresden and the ShUM cities, the cradle of Ashkenazi tradition, for over a decade. He holds a PhD in German-Jewish history and has published extensively on German Zionism. In recent years, Dekel has been innovating Jewish life in Berlin. He currently heads the association rebuilding the main sanctuary of the Fraenkelufer Synagogue, destroyed by the Nazis, as a community and cultural center.