Menachem Mendel Taub, known as The Kaliver Rebbe, is a prominent Hasidic rabbi who is the Rebbe (spiritual leader) of the Kaliver Chassidic movement. He was Seventh in a direct paternal line to the Founder of the Dynasty, Rabbi Yitzchak Izak of Kaliv, a Disciple of the Rebbe Reb Elimelech of Lizensk.