Rabbi Margolies served as the synagogue's rabbi from 1906 until his death in 1936. Lookstein had served as the congregation's assistant rabbi after receiving his semicha in 1926 from the Rabbi Isaac Elchanan Theological Seminary at Yeshiva University, and had assumed many of the roles as congregational leader while his grandfather was ill for many years before his death, assuming the title of senior rabbi after his grandfather's death in 1936.
Rabbi Margolies served as the synagogue's rabbi from 1906 until his death in 1936. Lookstein acted as an assistant rabbi for the congregation after receiving semicha at Rabbi Isaac Elchanan Theological Seminary, Yeshiva University, and took on multiple leadership roles during his grandfather's illness before his own passing in 1936, eventually becoming senior rabbi.