A transformational leader is able to unite all subordinates and change beliefs, attitudes, and personal goals of all subordinates to achieve his/her goals, and even surpasses the goals set. Support from the leader may motivate the employee to work better, which could affect employee performance. This study aims to examine the effect of transformational leadership on employee performance, with employee motivation as an intervening variable. The population of the study includes all 285 employees from PT. Kereta Api Indonesia. The study uses path analysis and the results show that transformational leadership had significant effect on employees’ job performance with job motivation as an intervening variable. Employees’ job motivation also had significant influence on employees’ job performance.

This research is intended to test the connections between the influence of Workplace Spirituality and Job Satisfaction on job performance with Workplace Deviant Behavior and Work-place Passion as a mediation. The data collected were from questionnaires distributed with an accidental sampling technique. Statistic Experimental Tool, SEM (Structural equation model) was used to analyze the data. The results of this research show that there was a significantly negative influence of Workplace Spirituality and Workplace Deviant Behavior on performance. Likewise, there was also a significantly negative influence of Workplace Deviant Behavior on the performance. Furthermore, work passion weakens the interaction between them.