mˈæk wˈɪniz pɹəfˈɛʃənəl sˈɜːvɪs æktˈɪvᵻɾiz ɪŋklˈuːd ˈæktɪv pɑːɹtˈɪsɪpˈeɪʃən ɔnðə ɡˈʌvɚnɪŋ bˈoːɹdz ʌv sˈɛvɹəl pɹəfˈɛʃənəl ɐsˌoʊsɪˈeɪʃənz, ˌækədˈɛmɪk dʒˈɜːnəlz, ænd ɡɹˈænt ˈeɪdʒənsiz, ænd hiː hɐz ˈɔːlsoʊ sˈɜːvd æz ɐ jˌuːnɪvˈɜːsᵻɾi pɹˈoʊɡɹæm ɹᵻvjˈuːɚ ænd æz ɐn ˈæd hˈɑːk ɹᵻvjˈuːɚ fɔːɹ sˈɛvɹəl pɹɛstˈɪdʒəs dʒˈɜːnəlz ɪŋklˈuːdɪŋ sˈaɪəns, nˈeɪtʃɚ, ænd saɪkəlˈɑːdʒɪkəl bˈʊlɪtˌɪn ænd ɹᵻvjˈuː.
MacWhinney's professional service activities include active participation on the governing boards of several professional associations, academic journals, and grant agencies, and he has also served as a university program reviewer and as an ad hoc reviewer for several prestigious journals including Science, Nature, and Psychological Bulletin and Review.