Before assuming his post at the new yeshiva branch in 2005, he served as the Mashgiach at the Mir in Jerusalem for many decades.

Aryeh Finkel was the son of Rabbi Chaim Zev Finkel (1906–1965), founder of Yeshivas Heichal HaTorah in Tel Aviv and Mashgiach at the Mir in Jerusalem.

[1] He is the grandson of Rabbi Eliezer Yehuda Finkel, who led the yeshiva in Poland and brought it to Israel.

He began serving in this position under Rabbi Chaim Leib Shmuelevitz.

He was the long-time Shaliach Tzibbur (cantor) for Rosh Hashana (Mussaf) and Yom Kippur (Kol Nidre, Maariv and Mussaf) at the Mir in Jerusalem.