Prof. Dr. Yousef Bin Abdullah Al Shubaili, Professor of Comparative Jurisprudence at the Higher Judicial Institute in the Kingdom of Saudi Arabia; Expert at the International Islamic Fiqh Academy (IIFA); Chairman and Member of several Commercial Disputes Arbitration Committees; Chairman and Member of several Sharia supervisory boards in Islamic financial institutions, and has published many scientific research papers on Islamic Economics, including: Investment services in Islamic banks and their provisions in Islamic Jurisprudence, Capital protection in Islamic jurisprudence, The Repurchase Agreement (Repo and Reverse Repo), Sharia supervision of Islamic Insurance Business, and others.