He founded and served as the first head of the Military Rabbinate of the Israel Defense Forces and subsequently as the third Ashkenazi Chief Rabbi of Israel from 1973 to 1983, after which he established a yeshiva in Jerusalem, which he headed until his death.
Ia mendirikan dan menjabat sebagai kepala pertama Kerabbian Militer Pasukan Pertahanan Israel dan kemudian sebagai Kepala Rabbi Israel Ashkenazi ketiga dari 1973 sampai 1983, setelah ia mendirikan sebuah yeshiva di Yerusalem, yang ia kepalai sampai kematiannya.