 Afterward, he taught at Yeshivas Brisk (Brisk Rabbinical College) in Chicago, headed for a time by his uncle, Rabbi Ahron Soloveichik.In 1977 he moved to the West Coast and founded the Yeshiva University of Los Angeles (YULA), opening separate high school programs for boys and girls, a yeshivah gedolah, and a kolel.He also served as a posek (arbiter of Jewish law) for the local community.