Dr. Tamer working as assistant professor and director of University research council at Gulf University, he was worked as academic consultant and program leader for MBA in HR and MBA in project management program in Centre of Postgraduate studies in Limkokwing University. During his working years of experience he managed to teach various courses (B.sc, MBA, and PhD level), Supervised more hundred of postgraduate students and excelled in his publications. Dr Tamer's acted as internal examiner, for Doctor of Philosophy in Management (PhD) students. Examiner for Doctor of Philosophy in Management (PhD) proposal defense stage. He Engaged in research and scholarly activities. He was a part-time trainer at Third Wave Company, delivered several coursed related to Human Resource Management, Strategic Management and Leadership. He worked as Accountant, Audit Assistance in Al Honda Auditing & Accounting Office in Palestine.