dʒˈoʊsəf mɚɹˈiː ˈælbɚt "dʒˈoʊp" lˈændʒ; twˈɛnti fˈaɪv sɛptˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd fˈɪfti fˈoːɹ sˈɛvəntˌiːn dʒuːlˈaɪ tˈuː θˈaʊzənd fˈoːɹtiːn wʌzɐ dˈʌtʃ klˈɪnɪkəl ɹᵻsˈɜːtʃɚ spˈɛʃəlˌaɪzɪŋ ɪn ˌeɪtʃˌaɪvˈiː θˈɛɹəpi.
Joseph Marie Albert "Joep" Lange (; 25 September 1954 – 17 July 2014) was a Dutch clinical researcher specialising in HIV therapy.