This research was done with the aim of designing and explaining the model of formation of evidence-based policies in the field of recruitment and retaining professional employees. This research is applied in terms of purpose, exploratory in terms of approach, and mixed (qualitative-quantitative) analysis. In the qualitative phase, a group of experts including university professors and experienced consultants & senior managers of human resources in Iran's aviation industry were selected as the statistical population. In this phase, 11 experts were selected using the purposeful sampling method. The main tool of data collection in the qualitative phase of the research was in-depth and semi-structured interviews with experts. the data obtained from the interview were analyzed based on the theme analysis method. In the quantitative phase, all the senior managers of Iran's aviation industry were considered as the population, and among them, 108 people were selected based on the simple random sampling method for the statistical sample. In this phase of the research, a closed and researcher-made questionnaire consisting of 27 items was used as the main tool for data collection. The validity and reliability of this questionnaire was checked and confirmed in different ways. SPSS and Lisrel softwares were used to perform descriptive and inferential analyses. Finally, the research results led to the design of a multi-pronged model for the formation of evidence-based policies in the field of recruiting and retaining professional employees. This model includes the three main tentacles of witnessing, technical and political with their subsets