Mubarak, Alia Marjan2013-07-222013-07-222011-0480096http://bspace.buid.ac.ae/handle/1234/345The aim of this research is to investigate general problem areas in the Project Portfolio management, and to focus in depth on the determinants that affect the efficiency of PPM in terms of project based organization in Dubai Government. The study provides overview on the importance of the PPM and how to set up PPM and its processes. Nevertheless, the conceptual framework is designed from the extensive literature review and the knowledge of the researcher, this conceptual framework examines the problems as variables on the efficiency of the PPM. The researcher chooses the qualitative method as a research approach; also the data collection is done through investigating the case study in the selected organization and conducting interviews with staff who their jobs related to the projects regarding the problems that affect the efficiency of the PPM in the organization. The result of this study shows that there are different problems affect the efficiency of the PPM. The study concludes that the effective PPM is crucial in project management and in any organization, and there are some areas should be improved in order to increase the efficiency of the PPM. The researcher provides some recommendations to increase the efficiency of the PPM.enProject Portfolio Management (PPM)project based organizationDubai governmentproject managementA study on the major problem areas in managing the portfolio and their impact on the efficiency of the PPMDissertation