ABSTRACT: The purpose of this study analyzes the influence of leadership style, organizational behavior,
Conflict, work ethic on the achievements, and Performance of employees in Medan. Data is collected through
research questionnaires. The study data sample was taken as many as 180 pieces, all employees in Medan. Data
analysis models in this study using structural equation modeling (SEM). Leadership research results have a
significant effect on the Performance of the Organization’s behavioral work, directly affecting work
performance. Work conflicts have a significant direct impact on work performance. Work ethic has a significant
immediate effect on work performance. Leadership has an insignificant direct effect on employee performance.
Organizational behavior has a significant direct impact on employee performance. Employment conflicts have a
negligible impact on employee performance. Work ethic has a significant immediate impact on employee
performance. Work performance has an insignificant effect on employee performance.
KEYWORDS: organizational behavior, work ethic, work Conflict, achievement, Performance