In 2001, he founded The Jerusalem Kollel, a rabbinic ordination and training program which prepares students for kiruv (outreach) positions around the world.
[1] He is well-known to international audiences for his telephone tapes and books on shemiras halashon (laws of proper speech) for the Chofetz Chaim Heritage Foundation.
[1][3] His ancestors on both his father's and mother's sides were Hasidic, including his paternal great-grandfather, Pinchos Zimetbaum, the av beth din of Grosswardein, and his great-uncle, dayan Yitzchok Yaakov Weiss.
He spent much time in the home of his illustrious great-uncle and also made relationships with Jerusalem poskim Yosef Shalom Elyashiv and Yisroel Yaakov Fisher.
[1] During his 16 years with Aish HaTorah, Berkovits developed and supervised the yeshiva's rabbinic ordination program, graduating hundreds of students.
[2] In 2001, Berkovits left Aish HaTorah to found The Jerusalem Kollel, a three-year rabbinic ordination and training program which prepares rabbis and kiruv (outreach) counsellors to serve communities in the Jewish diaspora.
[1] In the evenings, the kollel turns into a beth midrash (study hall) for advanced avreichim from the Mir and Brisk yeshivas who regard Berkovits as a halakhic authority.
[1] In 2017, Berkovits acquiesced to requests by Aish HaTorah directors to return to the yeshiva and serve as its halakhic authority (Jewish Babylonian Aramaic: מארא ד אתרא, romanized: marā dʾaṯrā, lit.