æt ðɪ ˌaɪbˌiːˈɛm ɹˈɑːtʃɛstɚ mˌɪnɪsˈoʊɾə pɹˈoʊɡɹæmɪŋ lˈæbɹətˌɔːɹi, dʒˈɛf dɪvˈɛləpt nˈɛtwɜːk sˈɔftwɛɹ tə kənˈɛkt dˈɪfɹənt tˈaɪps ʌv ˌaɪbˌiːˈɛm kəmpjˈuːɾɚ sˈɪstəmz, ænd kəntˈɪnjuːd lˈɜːnɪŋ æɾ ˌaɪbˌiːˈɛm fɔːɹ ðoʊz ɪlˈɛvən jˈɪɹz.
At the IBM Rochester Minnesota Programming Laboratory, Jeff developed network software to connect different types of IBM computer systems, and continued learning at IBM for those 11 years.