ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti ˈeɪt, dˈʌf ɡɹˈædjuːˌeɪɾᵻd wɪð ɐ bˌiːˈeɪ ɪn ˌɪntɚnˈæʃənəl ɐfˈɛɹz ænd lˈeɪbɚ lˈɔː fɹʌm skˈɪdmoːɹ kˈɑːlɪdʒ ɪn sˌæɹɐtˈoʊɡə spɹˈɪŋz, nˈuː jˈɔːɹk.
In 1998, Duff graduated with a BA in international affairs and labor law from Skidmore College in Saratoga Springs, New York.