The occurrence of delays in construction completion is caused by two factors, specifically external factors and internal factors. This research focuses on the internal factors related to human resources and their performances, including work motivation, work discipline, and leadership, which are considered to affect the performance and accomplishment of construction. The research proposal aims to determine the simultaneous and partial effect of leadership, motivation, and work discipline on employee performance in PT Kalimutu Mitra Perkasa. The population in this study were 91 employees. Data collection was done using interviews and Likert scale. Data analysis in this study used linear regression analysis multiple, classical assumption test, r-square test, and hypothesis test, using tools SPSS data processing. Based on previous research, it is known that: (1) H1: Work motivation positively affects employee performance. (2) H2: Work discipline positively affects employee performance. (3) H3: Leadership style positively affects on employee performance.
Keywords: work motivation, labor discipline, leadership, work performance