This study aims to analyze the influence of leadership effectiveness and work environment on job satisfaction and employee performance PD. BPR BKK Batang. The study population is employees of PD. BPR BKK Batang a total of 91 people. Sampling technique in this study used purposive sampling, with the criteria not educated elementary and junior high, and not the leader, obtained 77 people as a sample. Data analysis using path analysis with SPSS tool v. 30. The results showed that the effectiveness of leadership and work environment have a positive and significant impact on employee job satisfaction. The effectiveness of leadership, work environment and job satisfaction have a positive and significant effect on employee job satisfaction. Job satisfaction variable is a variable that mediates the influence of leadership effectiveness and work environment on employee performance.