The purpose of this research was to investigate relations among empowering leadership, knowledge sharing, intrinsic motivation and trust on supervisors. In addition, the purpose of this study was to investigate if trust on supervisors would mediate the effect of empowering leadership on outcome variables. A research model and hypotheses were developed to examine the theoretical research questions. To test the model proposed, survey data from 44 companies in various industries were collected by distributing 510 questionnaires to team member. The final set of data utilized to test hypotheses included 470 responses. The empirical results of the analysis are as follow. Empowering leadership was shown to influence followers` knowledge sharing. Meantime, empowering leadership was influencing intrinsic motivation and it was positively related to followers` trust on their supervisors. Finally, trust on supervisors partially mediated between empowering leadership and outcome variables. We found that empowering leadership was an important factor in a way that it closely related to variables of organizational competency, such as knowledge sharing, intrinsic motivation and trust in organization.