Dr. Soleh Hasan Wahid, Institut Agama Islam Negeri Ponorogo. Soleh Hasan Wahid is currently working as a Lecturer of Islamic Law and Economics at the Sharia Faculty, Institut Agama Islam Negeri Ponorogo. He is the Secretary of the Internal Audit Department of IAIN Ponorogo. He received his S.H. from the State Islamic University of Maulana Malik Ibrahim Malang and his M.H. in Sharia Economic Law from Sayyid Ali Rahmatullah Tulungagung State Islamic University. His research interests are related to Islamic law and economics. He focuses on fatwas in Islamic law, corporate law and Islamic boarding school economics. He is also a Halal Assistant at the Halal Center of IAIN Ponorogo. Soleh Hasan Wahid has published several books. His research on Islamic law and economics has been published in many leading academic journals. He is a scientific advisor to various academic journals and serves on the editorial board of many academic journals.