Yerucham Olshin is an Orthodox Jewish

Orthodox Judaism

Orthodox Judaism , is the approach to Judaism which adheres to the traditional interpretation and application of the laws and ethics of the Torah as legislated in the Talmudic texts by the Sanhedrin and subsequently developed and applied by the later authorities known as the Gaonim, Rishonim, and...

 rabbi and one of the rosh yeshiva

Rosh yeshiva

Rosh yeshiva, , , is the title given to the dean of a Talmudical academy . It is made up of the Hebrew words rosh — meaning head, and yeshiva — a school of religious Jewish education...

s (deans) of Beth Medrash Govoha

Beth Medrash Govoha

Beth Medrash Govoha is a Haredi yeshiva located in Lakewood Township, New Jersey. It is commonly known as BMG, or Lakewood Yeshiva....

, an Orthodox yeshiva

Yeshiva

Yeshiva is a Jewish educational institution that focuses on the study of traditional religious texts, primarily the Talmud and Torah study. Study is usually done through daily shiurim and in study pairs called chavrutas...

 located in Lakewood

Lakewood Township, New Jersey

-Demographics:As of the census of 2000, there were 60,352 people, 19,876 households, and 13,356 families residing in the township. The population density was 2,431.8 people per square mile . There were 21,214 housing units at an average density of 854.8 per square mile...

, New Jersey

New Jersey

New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...

. The other rosh yeshivas are Rabbis Malkiel Kotler, Yisroel Neuman

Yisroel Neuman

Yisroel Tzvi Neuman is an Orthodox rabbi and one of the four roshei yeshiva of Beth Medrash Govoha in Lakewood, New Jersey. He shares this post with Rabbi Malkiel Kotler, Rabbi Yerucham Olshin, and Rabbi Dovid Schustal...

, and Dovid Schustal

Dovid Schustal

Dovid Tzvi Schustal is an Orthodox rabbi and one of the four roshei yeshiva of Beth Medrash Govoha in Lakewood, New Jersey...

; they divide up the times they present shiurim (Torah lectures) to students in the numerous battei medrash

Beth midrash

Beth Midrash refers to a study hall, whether in a synagogue, yeshiva, kollel, or other building. It is distinct from a synagogue, although many synagogues are also used as batei midrash and vice versa....

 (study halls) on the Lakewood campus.

Rabbi Olshin is married to the daughter of Rav Dov Schwartzman, who is a granddaughter of the founder of the yeshiva, Rabbi Aharon Kotler

Aharon Kotler

Aharon Kotler was an Orthodox Jewish rabbi and a prominent leader of Orthodox Judaism in Lithuania, and later the United States, where he built Beth Medrash Govoha in Lakewood Township, New Jersey.- Early life :...

.

He is a Radziner Hasid

Hasidic Judaism

Hasidic Judaism or Hasidism, from the Hebrew —Ḥasidut in Sephardi, Chasidus in Ashkenazi, meaning "piety" , is a branch of Orthodox Judaism that promotes spirituality and joy through the popularisation and internalisation of Jewish mysticism as the fundamental aspects of the Jewish faith...

.