pɹɪdʒˈɜːsən dʒˈɔɪnd ðə lˌɑːs ˈændʒəlɪs mjuːnˈɪsɪpəl kˈoːɹt ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈaɪv ænd ɐdvˈænst tə ðə lˌɑːs ˈændʒəlɪs kˈaʊnti suːpˈiəɹɪɚ kˈoːɹt ðə nˈɛkst jˈɪɹ, sˈɜːvɪŋ ʌntˈɪl nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɛvən.
Pregerson joined the Los Angeles Municipal Court in 1965 and advanced to the Los Angeles County Superior Court the next year, serving until 1967.