Yosef Blau
American rabbi

Yosef Blau is an American-Israeli Orthodox rabbi. He was the mashgiach ruchani at Rabbi Isaac Elchanan Theological Seminary from 1977 to 2025. He is also the former president of the Religious Zionists of America.
Education
Blau earned his Bachelor of Arts degree in 1959 from Yeshiva College studying Mathematics. He earned a Masters of Science degree at Yeshiva University's Belfer Graduate School of Science in 1960, and was ordained at Rabbi Isaac Elchanan Theological Seminary in 1961 by Rabbi Yosef Dov Soloveitchik.
Career
In the past, he served as the assistant principal at the Maimonides School in Brookline, Massachusetts, principal at the Hebrew Theological College in Skokie, Illinois, and principal at the Jewish Educational Center in Elizabeth, New Jersey.
In communal life, Blau served as national president of Yavneh, the National Religious Jewish Students Association, and as a member of that organization's National Advisory Board. He also served as vice president of the National Conference of Yeshiva Principals.
Blau is a member of the Rabbinical Council of America and serves on the executive board of the Orthodox Caucus, a national task force addressing practical issues challenging the Jewish world. He is also on the executive commission of the Orthodox Forum and the rabbinic advisory board of USSR, (Students Serving Soviet Jewry).
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jun 14, 2026. The linked authority identifier is Q8055885. VIAF identifies the subject as 69234654. The Library of Congress control number is n2005071372. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1977, 2025, 1959 and 1960.
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This entry incorporates text from “Yosef Blau” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.