For ten years (from 1975 to 1985) Dr al ‘Alwani was a Professor of Fiqh and Usul al Fiqh at Imam Muhammad b. Sa’ud University in Riyadh.
Dr. al ‘Alwani participated in the founding of the International Institute of Islamic Thought (IIIT) in the USA in 1981, and is now the Institute’s President and a member of its Board of Trustees.
He is a founder-member of the Council of the Muslim World League in Makkah, a member of the OIC Islamic Fiqh Academy in Jeddah since 1987, and President of the Fiqh Council of North America since 1988.
Among his works on Islamic Jurisprudence are:
His edition of Al Mahsul fi `Ilm Usul al Fiqh (“The Sum and Substance of Usul
al Fiqh”), by al Imam Fakhr al Din al Razi, in six volumes.
Al Ijtihad wa al Taqlid fi al Islam (“Legal Reasoning and Imitation in Islam”)
Huquq al Muttaham fi al Islam (“Rights of The Accused in Islam.”)
Adab al Ikhtilaf fi al Islam (“The Ethics of Disagreement in Islam.”)