He has also taught as a Fulbright scholar at the University of Bremen, the Fulbright-University of Salzburg Distinguish Chair in Intercultural Theology and Religion, and as a Visiting Professor of Philosophy at the University of Karachi. Dr. Kassim s areas of specialization are Islamic Studies, Islamic Law and Medieval Philosophy. He is the author of Sarkhsi: The Doctrine of Juristic Preference in Islamic Jurisprudence, Aristotle and Aristotelianism in Medieval Muslim, Jewish and Christian Philosophy, and Legitimizing Modernity in Islam: Muslim Modus Vivendi and Western Modernity as well as several articles on similar topics. See less