Historian, social activist, publicist, director of the IDMN; academic lecturer at UKSW, editor-in-chief of "W sieci Historii". "President of the Polish Association of Journalists and Chairman of the Historical Committee of the Committee for the Commemoration of Poles Saving Jews. Chairman of the SPJN and chairman of the Historical Committee of the Committee to Commemorate Poles Saving Jews; member of many Programme Councils.
