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Rabbi Isaac Elchanan Theological Seminary
ישיבת רבינו יצחק אלחנן
Rabbinical seminary
Parent institution
Yeshiva University
Religious affiliation
Judaism (Orthodox)
DeanMenachem Penner[1]
Location, ,
40°51′2.9″N 73°55′46.21″W / 40.850806°N 73.9295028°W / 40.850806; -73.9295028

Rabbi Isaac Elchanan Theological Seminary (RIETS /rts/) is the rabbinical seminary of Yeshiva University (YU). It is located along Amsterdam Avenue in the Washington Heights neighborhood of Manhattan, New York City.

Named after Yitzchak Elchanan Spektor, the school's Hebrew name is Yeshivas Rabbeinu Yitzchok Elchonon (Hebrew: ישיבת רבינו יצחק אלחנן). The name in Hebrew characters appears on the seals of all YU affiliates.


Yitzchak Elchanan Spektor, namesake of the Seminary

The first Jewish schools in New York were El Hayyim and Rabbi Elnathan's, on the Lower East Side. In 1896,[2] several New York and Philadelphia rabbis agreed that a rabbinical seminary based on the traditional European yeshiva structure was needed to produce American rabbis[2] who were fully committed to what would come to be called Orthodox Judaism. There were only two rabbinical seminaries in the United States, Hebrew Union College, which followed Reform Judaism, and the Jewish Theological Seminary, which was first affiliated with the more established Orthodox community in America and later Conservative Judaism.[3] Bernard L. Levinthal and other leading Orthodox rabbis of the day founded the school,[2] calling it the Rabbinical College of America (not related to the current institution of that name). In 1915, it merged with an elementary school, the Eitz Chaim Yeshiva, and its name was changed to Rabbi Isaac Elchanan Theological Seminary (RIETS), named after Yitzchak Elchanan Spektor, a Russian rabbi who died the year of the school's founding. Bernard Revel was appointed as head of the combined school. In 1916 it expanded to include a high school, the Talmudical Academy. In the late 1920s, the institution began a building campaign of US$5 million, announcing an institution called the "Yeshiva of America",[4][5] later the "Yeshiva College of America",[6] before finally settling simply on Yeshiva College.[7] In 1926, it bought a three-block site in Washington Heights, built its first building,[8] and moved its operation there.[5][9] As of 2018, that building continued to house the Yeshiva University (YU) affiliated high school, but all other operations had moved to other buildings on the expanded campus surrounding it.

The high school, previously part of RIETS, became a separate entity, and RIETS became exclusively a college-level program, including granting of degrees via semikhah (rabbinical ordination). Secular studies were added, with the RIETS rosh yeshiva (dean) also serving as president of the college secular academic programs while Moshe Soloveichik served as co-head of RIETS. This arrangement continued into the 1940s. However, the second president, Samuel Belkin, legally separated the two institutions in order to obtain United States government funding and research grants for a variety of YU's secular departments due to the separation of church and state in the United States.[citation needed]

RIETS scholar Joseph B. Soloveitchik strongly opposed the split, but Belkin prevailed and, following the split, remained both the official rosh yeshiva of RIETS and president of YU. Despite the separation, the identities have continued to be blended[citation needed] Both the religious seminary and the college undergraduate Talmudic department are called RIETS, and have the same faculty and students.

With the 2003 appointment of Richard Joel, a layman, as president of YU, the dual role ended. Joel's predecessor, Norman Lamm, continued as the official rosh yeshiva of RIETS with Richard Joel being the Chief Executive and responsible for fundraising and administrative issues.

Menachem Penner became the dean of RIETS in 2013 after Yona Reiss resigned to take the position as head of the Chicago Rabbinical Council. Previously, Penner had been the assistant dean of RIETS.

At the time of Reiss's appointment, RIETS absorbed the academic administration of the Undergraduate Torah Studies programs affiliated with Yeshiva College and Sy Syms School of Business on the Wilf Campus (Mazer Yeshiva Program, Stone Beit Midrash Program, Isaac Breuer College, and the James Striar School).


The RIETS semikhah program is a structured four-year curriculum. The primary focus is on advanced Talmudic learning as well as developing a proficiency in deciding matters of classical and contemporary halakha (Jewish law; see Yeshiva § Jewish law). There are a variety of required ancillary courses, such as homiletics, pastoral counseling, and Jewish philosophy, that are intended to train students for careers as practicing rabbis. There is an honors track within the general semikhah program whereby students receive an extra stipend and are required to take additional courses.

The majority of students in the semikhah program are also enrolled in the Katz Kollel which is led by the rosh kollel, Hershel Schachter. Many RIETS students are also concurrently enrolled in a variety of other graduate degree-granting programs in law, education, academic Jewish studies, psychology, and the sciences. RIETS has two post-semikhah kollelim (referred to as the Kollel Elyon) which offer students the opportunity to study Torah at an advanced level and take supplemental courses for an additional 3 to 4 years while receiving a stipend. The roshei kollel of the Kollel Elyon are Michael Rosensweig and Mordechai Willig.


Members of the Brisker dynasty, Moshe Soloveichik and Joseph B. Soloveitchik were heads of RIETS, and Ahron Soloveichik and Aharon Lichtenstein lectured there for significant portions of their careers. Shimon Shkop taught at RIETS for a short period in 1929, as did Shlomo Polachek, Menachem Mendel Zaks, Moshe Shatzkes, Nisson Alpert, Dovid Lifshitz and Moshe David Tendler.[10]

Later roshei yeshiva include: Hershel Schachter, Eliyahu Ben Haim, Mordechai Willig, Michael Rosensweig, Mayer Twersky, Jeremy Wieder, Yaakov Neuburger, Baruch Simon, Zvi Sobolofsky, David Hirsch, J. David Bleich, and Daniel Stein, Hershel Reichman and Ezra Schwartz.

Chag Hasemikhah

Ordination can technically be conferred upon a student who completes all of the necessary requirements for semikhah at any point in time. Nonetheless, every three or four years, RIETS conducts a formal Chag Hasemikhah—an official celebration of the students who received rabbinic ordination since the previous Chag. It is traditionally held on or about the yartzeit of Isaac Elchanan Spektor which is Adar 21.[11]

Notable alumni


  1. ^ "Rabbi Isaac Elchanan Theological Seminary". Yeshiva University.
  2. ^ a b c "HISTORY". B'nai Abraham Chabad. Retrieved 2018-05-11.
  3. ^ Jewish Theological Seminary of America Archived 2005-12-03 at the Wayback Machine Jewish Encyclopedia.
  4. ^ "Clipping from The Brooklyn Daily Eagle -". Retrieved 2018-05-11.
  5. ^ a b "26 Apr 1925, Page 76 - The Brooklyn Daily Eagle at". Retrieved 2018-05-11.
  6. ^ "14 May 1926, Page 14 - The Brooklyn Daily Eagle at". Retrieved 2018-05-11.
  7. ^ "1 May 1927, Page 47 - The Brooklyn Daily Eagle at". Retrieved 2018-05-11.
  8. ^ "Yeshiva College". Brooklyn Daily Eagle. Retrieved 2018-05-11. The first to be established in New York City was "El Hayyim" at 85 Henry street. The second was Rabbi Elnathan's, originally at 156 Henry street and later at 301 East Broadway. The latter is now consolidated with the college. Orthodox Jews are to have their own cultivation broadspread from a center that is at once dignified and impressive.
    The buildings when completed will, in addition to the collegians, accommodate 2,500 high school pupils. There will be an athletic field. The faculty will offer temptations to draw Jewish scholars from around the world. Already the library is a rich storehouse of books and manuscripts that could not be replaced if destroyed. It was worth while for Mayor Walker to acclaim what is planned. It was worth while for Rabbi Simon Shkop to come from Grodno, Lithuania, to be present. It was worth while for President Frederick B. Robinson of the City College to deliver an address at the dedication.
  9. ^ "8 Dec 1928, Page 11 - The Brooklyn Daily Eagle at". Retrieved 2018-05-11.
  10. ^ "Tendler, Moshe", Jewish Virtual Library. "He was rosh yeshivah at Rabbi Isaac Elchanan Theological Seminary and University Professor of Medical Ethics at Yeshiva University."
  11. ^ "Chag Hasemikha". Retrieved 23 March 2017.
  12. ^ Safier, Dovi and Geberer, Yehuda (July 22, 2020) "'All For The Boss' Revisited", Mishpacha. Retrieved June 21, 2022.
  13. ^ Saxon, Wolfgang. "Joseph H. Lookstein Dead at 76; A Rabbi and Orthodox Educator; Responsibilities Increased", The New York Times, July 15, 1979. Accessed February 19, 2020. "He acquired his Jewish learning at the Rabbi Jacob Joseph School and the Rabbi Isaac Elchanan Theological Seminary at Yeshiva University, where he was ordained as a rabbi in 1926."
  14. ^ Alter, Yehuda (April 28, 2022) "Living Legacy: Rav Avigdor Hakohen Miller, zt'l", Retrieved June 12, 2022.
  15. ^ "BDE: HaGaon HaRav Yitzchak Scheiner, Z'TL, Rosh Yeshivas Kaminetz, Is Niftar From COVID". No. January 31, 2021. The Yeshiva Retrieved 31 January 2021.