(Assistant Professor, International Islamic University Malaysia, Kuala Lumpur, Malaysia) Hasan is an Assistant Professor in Islamic law and the former head of Islamic law Department, Ahmad Ibrahim Kulliyyah of Laws, International Islamic University, Malaysia. He taught subjects such as Islamic Legal Theory, Islamic Commercial Law and Islamic Banking and Finance at both undergraduate and postgraduate levels. He has served as a Shari‘a advisor to various financial institutions and corporate bodies. He was as a member of Shariah Advisory Council of Bank Negara Malaysia.