Al-Azhar Grand Imam's Deputy
He is the Deputy of Sheykh Ahmed al-Tayyeb, Grand Imam of al-Azhar.
Since 2017, Al-Ḍuwaini has been appointed Professor of Comparative Islamic Jurisprudence from the Faculty of Sharia and Law, Al-Azhar University. He is the author of several research papers and books on Islamic jurisprudence. He is member of the Editorial Board for the Series of Legal and Judicial Studies, issued by Dubai Judicial Institute. He obtained Prof. Mohamed Salām Madkūr Award, awarded to the distinguished figures in Islamic jurisprudence at the Faculty of Sharia and Law in Cairo in 1990.