<![CDATA[This study aims to determine and analyze the effect of supervision and work discipline on employee performance, both partially and simultaneously, at PT ISS Indonesia, Pondok Indah Mall 3 Area. The research employs a quantitative method with an associative approach. The population of this study consists of all employees of PT ISS Indonesia, Pondok Indah Mall 3 Area, totaling 100 employees. The sampling technique uses the Slovin formula, resulting in a sample of 80 respondents. Data collection was conducted through observation and questionnaire distribution. The data were then analyzed using instrument testing, descriptive statistics, classical assumption tests, simple and multiple linear regression analyses, t-tests, F-tests, and the coefficient of determination with the assistance of SPSS software.The results indicate that supervision has a positive and significant effect on employee performance, with the regression equation Y = 21.862 + 0.551X₁, a correlation coefficient of 0.746, and a coefficient of determination of 0.557 or 55.7%. The t-test result shows that t_calculated (11.250) is greater than t_table, indicating that the hypothesis is accepted. Work discipline also has a positive and significant effect on employee performance, with the regression equation Y = 16.053 + 0.904X₂, a correlation coefficient of 0.746, and a coefficient of determination of 0.787. The t-test result shows that t_calculated (9.907) is greater than t_table, indicating that the hypothesis is accepted. Simultaneously, supervision and work discipline have a positive and significant effect on employee performance, as shown by the regression equation Y = 15.841 + 0.148X₁ + 0.697X₂, a correlation coefficient of 0.787, and a coefficient of determination of 55.7%, while the remaining 44.3% is influenced by other factors. The F-test result shows that F_calculated (64.508) is greater than F_table, leading to the conclusion that supervision and work discipline simultaneously have a significant effect on employee performance at PT ISS Indonesia, Pondok Indah Mall 3 Area]]>
