This study aims to examine and analyze the influence of Leader Member Exchange on motivation, employee engagement, and employee performance at the Tuban Tax Office. The research method used in this study is Partial Least Square with 66 employees as respondents. The results of the study show that Leader Member Exchange has a positive and significant effect on motivation, employee engagement, and employee performance. Motivation has a significant positive effect on employee performance, while employee engagement has a positive but not significant effect on employee performance. Leader member exchange has a significant positive effect on employee performance through motivation, and leader member exchange has a positive but not significant effect on employee performance through employee engagement. It can be concluded that the motivation variable successfully mediates the influence of leader member exchange on employee performance.