Chaim Yehoshua Halberstam (Hebrew: חיים יהושע הלבערשטאם), also known as Chaim Shia Halberstam, is a Hasidic Jewish rabbi and the Grand Rabbi of the Satmar community in Monsey, New York.[1] He is a son-in-law of the late Satmar Rebbe, Rabbi Moshe Teitelbaum, and a direct descendant of the first and second Rebbes of Bobov.