ˈæftɚ kəmplˈiːɾɪŋ hɪz ˌɛdʒuːkˈeɪʃən, lə sˈeɪɹə wˈɜːkt æz ɐ klˈɜːk ɪn dʒˈæksən, luːˌiːzɪˈænə ænd mˈɛksɪkˌoʊ mˈɜːkɐntˌaɪl bˈɪznəs ɪstˈæblɪʃmənts fɔːɹ sˈɛvɹəl jˈɪɹz bᵻfˌoːɹ ɹᵻtˈɜːnɪŋ tə nˈuː ˈɔːɹliənz.
After completing his education, Le Sére worked as a clerk in Jackson, Louisiana and Mexico mercantile business establishments for several years before returning to New Orleans.