Yaakov Yitzchak Horowitz

Family and early life

Horowitz was born in 1956 to Rabbi Chaim Avraham Horowitz, now Bostoner Rebbe of New York and Ramat Bet Shemesh, son of Rebbe Moshe Horowitz, the Bostoner Rebbe of New York, elder son of Rebbe Pinchas David Horowitz, founder of the Boston Hasidic dynasty, and to Miriam, daughter of Rebbe Elazar Adler, the Zvhiler Rebbe of Los Angeles of the Zvhil dynasty, whom Rabbi Chaim Avraham married in 1954.

Horowitz was raised by his maternal grandparents in Los Angeles.

Education, marriage, early career, and children

After studying in a number of Talmudic seminaries including Beth Medrash Gevoha of Lakewood, New Jersey, Rabbi Yaakov Horowitz was ordained and married Chansie, the daughter of Rabbi Alter Yitzchak Weinberger in 1980. Rabbi Weinberger, also a descendant of distinguished rabbinic families, was a prominent communal leader in Turka, Ukraine and assisted many refugees during and after World War II. Rabbi Horowitz has five daughters and three sons. His oldest daughter Chaya Shprintza is married to Moshe Yosef Twerski; his second daughter Sara is married to Simcha Yaakov Markowits; his third daughter Devorah Chava is married to Asher Zalka Gruenstein; his oldest son Moshe is married to Esther Gitel Margulies; his next two sons are Alter Nathan Natha and Yosef Yehoshua Aaron. His two youngest daughters are Ruchel and Rivka Peria.

The establishment of the Chasidic Center of Nassau County

In 1992 Rabbi Yaakov Horowitz founded the Bostoner Bais Medrash of Lawrence, Nassau County, New York (Chasidic Center of Nassau County) well known for its innovative youth programs and community service projects.

The Committee for the Prevention of Jewish Genetic Diseases

Rabbi Yaakov Y. Horowitz joined Dor Yesharim, the Committee for the Prevention of Jewish Genetic Diseases, in 1986 as Director of Development. His work included publicizing the important work of this organization.

The Orthodox Union

Beginning his rabbinical work in the field of kosher food supervision (Kashrus in 1989, Rabbi Horowitz joined the Orthodox Union (OU), the largest kosher food supervisory organization in the world. As Rabbinic Coordinator, he supervised the kosher food programs of Nestle Beverage, Smuckers and a number of other nationally recognized manufacturers of kosher products. He was instrumental in the creation and implementation of the Ingredient Approval Registry, the system which currently maintains the kosher status of all ingredients found in over 8,000 OU supervised food facilities in 80 countries.

Specialist in Passover food supervision

Rabbi Yaakov Horowitz joined the Manischewitz Food Company in 1996, where he represents the OU as Company Rabbi and Director, Kosher Development Operations, Systems and Marketplace of the Manischewitz Companies; these include Rokeach, Season, Horowitz‐Margareten, Goodman’s, Mishpacha, Mother’s, Carmel and a number of other well-known kosher brands. In 2007 Manischewitz relocated from Jersey City to a newly renovated Manischewitz/Rokeach Newark production facility. This facility includes the world’s state‐of‐the‐art Matzo production line constructed at a cost of over 14 million dollars. Its unique kashruth design criteria was formulated and implemented by Rabbi Yaakov Horowitz. This new facility is the most kosher intensive operating environment on the globe.

Rabbi Horowitz is one of the world experts of Passover Matzo (and author of the OU manual on this subject) and kosher food, having assisted in Matzo and matzo flour production around in Israel, England, Mexico, Argentina and the former USSR.

American Jewish history

Rabbi Yaakov Horowitz founded the American Jewish Legacy (AJL) in 1998. The AJL is a national effort to preserve and document the unique, rich history of traditional Jewish congregations, individuals, rabbis and communities in the United States from Colonial times to the present. Working with noted academics, educational institutions, public and private archives, regional and national historic organizations across the country and abroad, the AJL has initiated projects and activities which seek to save this important historical resource and to gather archival information which is in imminent danger of being lost. The AJL also seeks to publicize the role Orthodox Jews played in the historical development of the American Jewish community.

The American Jewish Legacy's Exhibit, From the Mountains to the Prairie- 350 Years of Kosher & Jewish Life in America 1654-2004, was created in connection with the 350th anniversary celebratiuon of Jewish settlement in America.

The AJL’s current exhibition, From the Mountains to the Prairie: 350 Years of Kosher & Jewish Life in America 1654‐2004, is on national tour and has received academic and popular acclaim from the scholarly community, lay leaders, and the media – including the New York Times. The most recent venue was Columbus, Ohio in connection with Legacy 2010.

The AJL has also assumed responsibility for the reprint of several important works dealing with the history of the Orthodox Jewish community in the U.S.

In 2007 the Manischewitz Company commissioned the AJL to produce a series of American Jewish History panels which appeared on over one million Passover Matzo boxes. These panels publicized the commitment of the American Jewish community to the kosher laws and religious observance throughout its history.

In 2010 AJL created an American Jewish History Haggadah and printed 125,000 copies, which were distributed in 220 ShopRite supermarkets in six states.

Lecturer and educator

Rabbi Yaakov Horowitz is an educator, lecturer, and spokesperson for kosher food and the American Jewish Historical experience. He has served as the course director of the kosher workshop at Rutgers University and has lectured at numerous national and international events, conferences and symposiums including Wal‐Mart’s corporate headquarters, George Washington University’s Foodways Symposium at the Smithsonian in Washington, D.C. – (see photo) and Portland State University