hiː dˈɪd pˈoʊstdəktɚɹəl ɹᵻsˈɜːtʃ æt ðə jˌuːnɪvˈɜːsᵻɾi ʌv kˌɑːlɚɹˈɑːdoʊ æt bˈoʊldɚ fɹʌm nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi θɹˈiː ænd ðə mˌæsɐtʃˈuːsɪts ˈɪnstɪtˌuːt ʌv tɛknˈɑːlədʒi ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi θɹˈiː slˈæʃ nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi fˈoːɹ.
He did postdoctoral research at the University of Colorado at Boulder from 1980–1983 and the Massachusetts Institute of Technology in 1983/1984.