An outstanding rabbinical scholar, R. Zolty served as head of the Bet ha-Talmud of Yad ha-Rav Maimon from 1966 to 1974 and later as the head of the Yad Aharon Yeshivah, and has given courses in the important yeshivot in Israel. His first published work, Ginzei ha-Sifrei on the Sifrei was published in 1948 and his responsa, Mishneh Ya'avitz on Hoshen Mishpat (1963) which gained him the Rabbi Kook Prize of the Municipality of Tel Aviv, was followed by a volume of the same name on the Laws appertaining to the Festivals in the Orah Hayyim (1976). In 1977 he was appointed chief rabbi (Ashkenazi) of Jerusalem.