Ben Zion Aryeh Leibish Halberstam (בן ציון אריה לייבוש הלברשטאם) knows as "R' Ben Tzin", is the Grand Rabbi of the Bobov Hasidic movement. Born in 1955 to Grand Rabbi Shlomo Halberstam of Bobov, the third Bobover Rebbe, Rabbi Ben Zion Aryeh Leibish Halberstam is regarded by many as the Bobover Rebbe ( כ"ק אדמו"ר מבאבוב, שליט"א ). Rabbi Ben Zion Halberstam is presently Rabbi in the Bobover synagogue in Brooklyn.