1. Ph.D., Lecturer, Faculty of Islamic Economics and Business, Department of Islamic Economics, State Islamic Institute of Sultan Amai Gorontalo
2. Ph.D., Lecturer, Faculty of Economic and Business, Department of Management, Berau Muhammadiyah University
3. Ph.D., Lecturer, Faculty of Islamic Economics and Business, Department of Islamic Economic, State Islamic University of Alauddin Makassar
4. Ph.D., Lecturer, Syariah Faculty, Department of Syariah Economic Law, State Islamic Institute of Sultan Amai Gorontalo