hiː bɪɡˈæn fˈʌŋkʃənɪŋ æz ɹˈɑːʃ jˈɛshɪvə ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti ˈeɪt ˈæftɚ ðə dˈɛθ ʌv ɹˈɑːʃ jˈɛshɪvɚ ɹˈæbaɪ ɹˈuːvən ɡɹəzˈɑːvski, dᵻlˈɪvɚɹɪŋ wˈiːkli klˈæsᵻz ɪn bˈɛθ mˈɛdɹæʃ ˈɛlɪən.
He began functioning as rosh yeshivah in 1958 after the death of Rosh Yeshiva Rabbi Reuven Grozovsky, delivering weekly classes in Beth Medrash Elyon.