Ben Zion Aryeh Leibish Halberstam

Ben Zion Aryeh Leibish Halberstam () is the current leader of the Bobov Hasidic dynasty.
He was born in 1955 to the third Bobover rebbe, Grand Rabbi Shlomo Halberstam and his second wife; Grand Rabbi Shlomo had lost his first wife and most of their children in the Holocaust. His son from his first marriage, Naftali Halberstam, survived and would eventually become the fourth Bobver Rebber.
After his father's passing in 2000, Ben Zion Aryeh Leibish older half-brother, Grand Rabbi Naftali Halberstam was appointed to be the fourth Bobover Rebbe, and Ben Zion Aryeh Leibish was appointed as "Rav Hatza'ir" ("Younger" Rabbi).
After Grand Rabbi Naftali's passing in 2005, Ben Zion Aryeh Leibish Halberstam was appointed as the fifth Grand Rabbi of Bobov. A group of Hasidim loyal to Naftali's son-in-law, Mordechai Dovid Unger, founded the split-off faction of Bobov-45.