This study aims to determine the effect of organizational culture on employee performance, leadership style on employee performance, work motivation on employee performance, organizational culture on work motivation, leadership style on work motivation, organizational culture on employee performance through work motivation and determine the effect of leadership style and organizational culture on employee performance through work motivation. The research was conducted at PT. Kereta Commuter Indonesia involves 122 employees of the company. Data analysis using path analysis. The results showed that organizational culture variables affect employee performance, leadership style affects employee performance, motivation affects employee performance, organizational culture affects motivation, leadership style affects motivation. Organizational culture on employee performance is 0.564. The influence of organizational culture on performance through motivation is 0.697 x 0.865 = 0.603. In this case, the indirect effect is greater than the direct effect, so it can be said that the work motivation variable is intervening. The direct influence of organizational work culture on employee performance is 0.657. In contrast, the influence of work organizational culture on employee performance through motivation is 0.782 x 0.865 = 0.676. In this case, the indirect effect is greater than the direct effect, so it can be said that the work motivation variable is intervening.