Yitzhak Aharon "Ira A." Korff is the present Rebbe of Zvhil – Mezhbizh. Since 1975 he has been the Chaplain of the City of Boston and spiritual leader of Congregation Bnai Jacob, Zvhil–Mezhbizh Beit Medrash of Boston, Miami, and Jerusalem, serving also with the Chief Rabbis of Israel as Spiritual Leader of The Jerusalem Great Synagogue. He is a dayan of the BaDaTz Boston Beth din and Vaad HaRabbonim. He is also principal of Korff Associates, consultants in business, diplomacy and international law and relations, and publisher of the Boston-based Jewish newspaper The Jewish Advocate. He also served as Consul of the Republic of Austria for more than 37 years.