Abstract
The present research treated the issue of knowledge sharing and its ability to improve the performance of staff in the faculties of the University of Fallujah (administration and economics, law, veterinary medicine, medicine, Islamic sciences, applied sciences),The current research dealt with the subject of knowledge sharing and its ability to improve and evaluate the performance of employees at Fallujah University and its colleges. In order to achieve the objectives of the research, a number of hypotheses have been adopted that focused on the absence of relationship and influence between cognitive sharing and evaluation of performance in terms of dimensions (confidence, communication and information technology, cognitive culture and personal interactions). The research was based on analytical descriptive methodology in the presentation and discussion of the data. The analytical descriptive method combines the case description with analysis and the extraction of its results. Using a set of statistical methods, the empirical data were analyzed. This included analyzing the responses and opinions of the surveyed employees at Fallujah University, (40) employees. The analysis of statistical relations between the variables of research has been reached a set of conclusions. The most important of which is to achieve a significant impact of knowledge sharing in evaluating the performance of the staff of the University of Fallujah. This means that the use of the philosophy of knowledge sharing contribute to improve the evaluation of the performance of staff in the field.