ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪntiːn hiː dʒˈɔɪnd ðə jˌuːˈɛs dˌɛlɪɡˈeɪʃən tə ðə pˈæɹɪs pˈiːs kˈɑːnfɹəns, ænd ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti fˈoːɹ ðə lˈiːɡ ʌv nˈeɪʃənz ɐpˈɔɪntᵻd hˌɪm faɪnˈænʃəl ɐdvˈaɪzɚ tə ðə ɡˈʌvɚnmənt ʌv hˈʌŋɡɚɹi.
In 1919 he joined the US delegation to the Paris Peace Conference, and in 1924 the League of Nations appointed him Financial Advisor to the government of Hungary.