Shiurim, Lessons and Mussar from Rabbi Naftali Kassorla of Yerushalayim. Rabbi Naftali Moshe Kassorla learned in the Mir Yeshiva in Yerushalayim and after marriage in Brisk under the tutelage of Rav Meir Soloveitchik zt"l. Rabbi Kassorla serves as a mentor and gives shiurim on Halacha, Mussar and Hashkafa for various Yeshivos and Seminaries in Yerushalayim. He has written several popular series on the Parsha, Pirkei Avos, and the Orchos Tzaddikim. Currently Rabbi Kassorla serves as a Maggid ...