kˈiːzɚɹ ɐtˈeɪnd ðə ɹˈæŋk ʌv ɐsˈɪstənt kəmˈɪʃənɚɹ ʌv pəlˈiːs ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti nˈaɪn, ðə mˈoʊst sˈiːnjɚ pəzˈɪʃən ˈɛvɚ hˈɛld baɪ ɐn ˈæfɹɪkən ɪn wʌt wʌz tə bɪkˌʌm ðə naɪdʒˈiəɹɪə pəlˈiːs fˈoːɹs wˌaɪl ɪt wʌz stˈɪl ˌʌndɚ ðə kəmˈænd ʌvðə bɹˈɪɾɪʃ ɡˈʌvɚnmənt.
Keazor attained the rank of Assistant Commissioner of Police in 1959, the most senior position ever held by an African in what was to become the Nigeria Police Force while it was still under the Command of the British Government.