Panca Arbiansyah* and Lameina E
Research aims to test factor of transformational leadership style with performance mediator work satisfaction. The research variables used performance variables as dependent, variables mediating work satisfaction, transformational leadership style as independent variables. Hypotheses in this study factor of transformational leadership style with performance, mediator work satisfaction at PT C.G. As respondent was 50 participants, measuring instruments used in this research scale performance in key performance indicator from company, job satisfaction measure scale Weiss, et al., transformational leadership style measure scale Robbins. Results of the study stated that transformational leadership style with performance mediator work satisfaction sobel test effect mediator=2.04 (>1.98) then the data was able to mediate transformational leadership style with performance.