Background
He is the son of Rabbi Moshe Feinstein, the leading posek of post-war America.
He is the son of Rabbi Moshe Feinstein, the leading posek of post-war America.
Rabbi Reuven Feinstein is the youngest of the four children of Rabbi Moshe and Shima (Sima) Feinstein and the only one to be born in America. Rabbi Feinstein joined his father in establishing the Yeshiva of Staten Island in 1966. He has served as Rosh Yeshiva of the yeshiva ever since.