vˈaɪs pɹˈɛzɪdənt ʌvðə bˈoːɹd ʌv dᵻɹˈɛktɚz ʌvðə vˌɛnɪzwˈeɪlæn sˈɪmfəni ˈɔːɹkᵻstɹə nˈaɪntiːnhˈʌndɹɪd fˈɪfti dˈæʃ nˈaɪntiːnhˈʌndɹɪd fˈɪfti wˈʌn ænd nˈaɪntiːnhˈʌndɹɪd fˈɪfti nˈaɪn, hiː wʌzɐ mˈɛmbɚɹ ʌvðə suːpˈiəɹɪɚ kˈaʊnsəl bˈoːɹd ʌvðə sˈeɪm; pɹˈɛzɪdənt ʌvðə vˌɛnɪzwˈeɪlæn ɐsˌoʊsɪˈeɪʃən ʌv ˈɔːθɚz ænd kəmpˈoʊzɚz ɐsˈɑːvæk, nˈaɪntiːnhˈʌndɹɪd fˈɪfti ˈeɪt dˈæʃ nˈaɪntiːnhˈʌndɹɪd fˈɪfti nˈaɪn; dᵻɹˈɛktɚfˈaʊndɚɹ ʌvðə kəlˈiːdʒəm mjˈuːzɪkəm ʌv kæɹˈɑːkəz; dᵻɹˈɛktɚɹ ʌvðə stˈuːdənt ˈɔːɹkᵻstɹə ʌvðə sˈɛntɹəl jˌuːnɪvˈɜːsᵻɾi ʌv vˌɛnɪzwˈeɪlə nˈaɪntiːnhˈʌndɹɪd sˈɪksti nˈaɪn ænd dᵻɹˈɛktɚɹ ʌvðɪ ɛkspˌɛɹɪmˈɛntəl ˈɔːɹkᵻstɹə ʌvðə vˌɛnɪzwˈeɪlæn sˈɪmfəni, wˌɪtʃ hiː kəndˈʌktᵻd ɪn ɪts ɪnˈɔːɡjʊɹɹəl kˈɑːnsɚt ˌɔn mˈeɪ fˈɪftiːn, nˈaɪntiːnhˈʌndɹɪd sˈɛvənti.
Vice President of the Board of Directors of the Venezuelan Symphony Orchestra (1950-1951 and 1959), he was a member of the Superior Council Board of the same; president of the Venezuelan Association of Authors and Composers (ASOVAC, 1958-1959); director-founder of the Collegium Musicum of Caracas; director of the Student Orchestra of the Central University of Venezuela (1969) and director of the Experimental Orchestra of the Venezuelan Symphony, which he conducted in its inaugural concert on May 15, 1970.