He also taught in the yeshiva, and officiated as cantor, especially on the Day of Atonement. As he had a thorough knowledge of the Talmud, his decisions were often sought in halakic cases.
In addition to teaching at the yeshiva and officiating as cantor, especially during Yom Kippur, he was sought for his expertise in the Talmud. His decisions were often needed in cases involving halakic issues due to his deep understanding of the Talmud.