.Development& Research center of Global pharma and MODERN pharma co. Sana'a, Yemen Specialist of dosag form Development .I Work as specialist of pharmaceutical dosage form development in Development& Research center of Global pharma and MODERN pharma co. I design and development the Formulas of Pharmaceutical dosage forms and I prepare master formula, registration requisites file and leaflet .also I train the production line workers and supervisors on the new master formula. I do specification for raw materials and Packaging materials and evaluation for raw material supplied by new supplier also I can treat manufacture problem in production lines and I do physical and pharmaceutical test for finished products.