Hamza Yusuf serves as president of Zaytuna College. In addition to teaching several subjects in Zaytuna’s curriculum, he has authored encyclopedia entries, academic papers, and articles on Muslim bioethics, legal theory, abortion, and many other topics. His books and translations include The Content of Character: Ethical Sayings of the Prophet Muhammad; The Prayer of the Oppressed; The Creed of Imam al-Tahawi; Purification of the Heart: Signs, Symptoms, and Cures of the Spiritual Diseases of the Heart; and Caesarean Moon Births: Calculations, Moon Sighting, and the Prophetic Way. He is a member of the Supreme Fatwa Council serving under his mentor, Shaykh Abdallah b. Bayyah, and serves as vice president for the Forum for Promoting Peace in Muslim Societies, an international initiative which seeks to address the root causes that can lead to radicalism and militancy. He holds licentia docendi in several Islamic subjects, a BA in Religious Studies, and a PhD in North and West African intellectual history.