Aims: Understanding the links between leadership, job satisfaction, work motivation, and employee performance is vital. Effective leadership shapes culture, direction, and employee engagement. Analyzing how leadership influences these factors helps identify areas for improvement, fostering stronger leadership practices and enhancing organizational outcomes. This study aims to comprehensively examine the intricate interplay between leadership, job satisfaction, work motivation, and employee performance within the context of the workplace environment. By investigating the direct and indirect effects of leadership, job satisfaction, and work motivation on employee performance, the research seeks to shed light on the underlying mechanisms that shape organizational outcomes. Furthermore, this study intends to explore how the work environment influences job satisfaction, work motivation, and ultimately, employee performance, offering valuable insights for enhancing workplace dynamics and fostering employee well-being and productivity. Study Design: Mention the design of the study here. Place and Duration of Study: Location to research eight Regional Apparatus Organizations of Pegunungan Bintang Regency whose office address is Jl. Kutdol, Oksibil, Kotdol, Oksibil, Pegunungan Bintang Regency, Papua. the object studied is an employee / ASN who works in the work environment of the Regional Equipment Organization of Pegunungan Bintang Regency. This research will be conducted in 2023 at the Regional Apparatus Organization of Pegunungan Bintang District. Methodology: The data analysis method used in explaining is obtained from field research, based on the proposed hypothesis there are two analytical methods to be used, namely descriptive statistical analysis methods and inferential statistical analysis through the use of Structural Equation Modeling (SEM). Results: The study conducted in regional apparatus organizations in Pegunungan Bintang Regency revealed significant findings. Firstly, it demonstrated that effective leadership positively influences employee job satisfaction. This influence extends to job motivation, wherein leadership plays a pivotal role in fostering a conducive work environment. Moreover, the research emphasized the crucial link between the work environment and employee job satisfaction. A clean and comfortable workspace not only enhances job satisfaction but also stimulates work motivation, thereby improving overall employee performance. Conclusion: Furthermore, job satisfaction was identified as a key determinant of employee motivation within the organizational context. This motivation, in turn, catalyzes enhanced performance. The study underscores the intricate interplay between job satisfaction, work motivation, and employee performance, highlighting the importance of a supportive work environment and effective leadership in driving organizational success in Pegunungan Bintang Regency's regional apparatus organizations.