After his marriage, he spent five years in Bardeyov, where he founded and chaired a yeshiva throughout his stay in the city.
At the beginning of 1907 he was elected rabbi of the Jewish community of Tzehlim, where he also headed a large yeshiva.
In 1912 he moved to serve as Rabbi of Oberwischau, and headed a yeshiva that numbered hundreds of students.
In 1921 he was elected rabbi of the Satmar community, and at the same time he headed a local yeshiva that with 400 students was one of the largest in the region.
[4] His adopted daughter married the grandson of his brother, Rabbi Yosef Greenwald, who was his pupil and worked on printing his books.