1. Doctor in Management, Associate Professor, Human Resource Management Department, Faculty of Business, Amman Arab University
2. Ph.D., Human Resource Management Department, Faculty of Maritime Studies, University Malaysia Terengganu
3. Ph.D., Associate Professor, Business Administration Department, Al-Ahliyya Amman University
4. Ph.D., Associate Professor, Management Department, Faculty of Business, Amman Arab University
5. Ph.D., Assistant Professor, Management Department, Faculty of Business, Amman Arab University