Universidad del Desarrollo, Centro de Fisiología Celular e Integrativa

ex. Associate Professor of Physiology, Yokohama City Univ. Sch. Med.

College of pharmacy /University of Babylon

Lecturer, Department of General Physiology, Faculty of Medicine, Beni Suef University

Department of Human Physiology, University of Port Harcourt.

Professor of Physiology ,Ain Shams University

Professor of Medical Physiology, Faculty of Medicine, Alexandria University

University of ilorin

Teaching assistant at faculty of science Cairo university

Lecturer of Medical Physiology, Faculty of Medicine, Ain Shams University