He studied for rabbinical ordination at Yeshivat Kol - Torah in Israel , earned a doctorate from University College , London in the departments of Ancient History and Hebrew Studies , and serves as Rabbi of Congregation Menachem Tzion in the Old City of Jerusalem .
He studied for rabbinical ordination at Yeshivat Kol - Torah in Israel , earned a doctorate from University College , London in the departments of Ancient History and Hebrew Studies . 
 He is currently Professor of Talmud at Bar - Ilan University in Israel and serves as Rabbi of Congregation Menachem Tzion in the Old City of Jerusalem .