æz nˈuː zˈiːləndz pˈɜːmənənt ɹˌɛpɹᵻzˈɛntətˌɪv tə ðə jˌuːˈɛn, hiː sˈɜːvd æz pɹˈɛzɪdənt ʌvðə tɹˈʌstiːʃˌɪp kˈaʊnsəl fɹʌm nˈaɪntiːnhˈʌndɹɪd fˈɪfti θɹˈiː tə nˈaɪntiːnhˈʌndɹɪd fˈɪfti fˈoːɹ ænd pɹˈɛzɪdənt ʌvðə juːnˈaɪɾᵻd nˈeɪʃənz dʒˈɛnɚɹəl ɐsˈɛmbli fɔːɹ ɪts twˈɛlfθ sˈɛʃən nˈaɪntiːnhˈʌndɹɪd fˈɪfti sˈɛvən nˈaɪntiːnhˈʌndɹɪd fˈɪfti ˈeɪt.
As New Zealand's permanent representative to the UN, he served as president of the Trusteeship Council from 1953 to 1954 and President of the United Nations General Assembly for its twelfth session (1957–1958).