This study is motivated by the importance of human resource management in improving employee performance within organizations. Effective leadership and a fair compensation system are considered key factors that can influence employee motivation, satisfaction, and productivity. In many organizations, including PT Prasarana Grahindopuri Jakarta Selatan, improving employee performance remains a critical issue that requires continuous attention through proper managerial strategies. The objective of this study is to analyze the effect of leadership on employee performance, the effect of compensation on employee performance, and the simultaneous effect of both variables on employee performance at PT Prasarana Grahindopuri Jakarta Selatan. This research employed a quantitative approach. The population consisted of 247 employees, while the sample was determined using the Slovin formula, resulting in 71 respondents. Data were collected through questionnaires and analyzed using multiple linear regression, as well as t-test and F-test to examine the relationships among variables. The results show that both leadership and compensation have a significant positive effect on employee performance. Effective leadership contributes to better guidance, motivation, and a more conducive work environment, which in turn enhances employee productivity. In addition, fair and appropriate compensation increases job satisfaction and work enthusiasm. Simultaneously, both variables significantly influence employee performance at the company. These findings indicate that strengthening leadership practices and developing a fair compensation system are essential to improving overall organizational performance.