The main proponent of an Asian origin is the linguist Alexander Militarev, who argues that Proto-Afroasiatic was spoken by early agriculturalists in the Levant and subsequently spread to Africa.
ðə mˈeɪn pɹəpˈoʊnənt əvən ˈeɪʒən ˈɔːɹɪdʒˌɪn ɪz ðə lˈɪŋɡwɪst ˌælɪɡzˈændɚ mˈɪlɪtˌɛɹv, hˌuː ˈɑːɹɡjuːz ðæt pɹˈoʊɾoʊˌæfɹoʊˌeɪsɪˈæɾɪk wʌz spˈoʊkən baɪ ˈɜːli ˈæɡɹɪkˌʌltʃɚɹəlˌɪsts ɪnðə ləvˈænt ænd sˈʌbsᵻkwəntli spɹˈɛd tʊ ˈæfɹɪkə.