ɪn tˈuː θˈaʊzənd sˈɪks hiː bɪkˌeɪm pɹəfˈɛsɚɹ ʌv mˈɛdəsən æt ðɪ ˌækədˈɛmɪk mˈɛdɪkəl sˈɛntɚ, jˌuːnɪvˈɜːsᵻɾi ʌv ˈæmstɚdˌæm ænd sˈiːnjɚ saɪəntˈɪfɪk ɐdvˈaɪzɚ tə ðɪ ˌɪntɚnˈæʃənəl ˌæntɪvˈaɪɚɹəl θˈɛɹəpi ɪvˌæljuːˈeɪʃən sˈɛntɚ, ˈæmstɚdˌæm.
In 2006 he became Professor of Medicine at the Academic Medical Center, University of Amsterdam and Senior Scientific Advisor to the International Antiviral Therapy Evaluation Centre, Amsterdam.