hiː plˈeɪz ɐn ɐθˈɔɹᵻtˌeɪɾɪv ænd kənstɹˈʌktɪv ɹˈoʊl æz ɐ spˈiːkɚɹ ˌɔn bˈoʊθ bˈeɪsɪk ænd klˈɪnɪkəl sˈʌbdʒɛkts, ɐ lˈiːd ˈɛdɪɾɚɹ ʌvðə mˈeɪdʒɚ tˈɛkstbʊk ˌɔn klˈɪnɪkəl vɪɹˈɑːlədʒi, ˈɔːɹɡənˌaɪzɚɹ ʌv mˈeɪdʒɚɹ ˌɪntɚnˈæʃənəl mˈiːɾɪŋz ænd tʃˈɛɹ ʌv nˈæʃənəl ænd ˌɪntɚnˈæʃənəl kəmˈɪɾiz.
He plays an authoritative and constructive role as a speaker on both basic and clinical subjects, a lead editor of the major textbook on clinical virology, organizer of major international meetings and chair of national and international committees.