The purpose of this paper is to examine the influence of leadership style, culture and organizational commitment on employee performance. The sample is employees at PT. Yodya Karya (Persero), Indonesia. Leadership styles are measured using transformational and transaction leadership indicators. Organizational culture is measured by innovation and risk-taking, attention to detail, outcome orientation, a people orientation, team orientation, aggressiveness, and stability. The organizational commitments have three dimensions: affective, continuance, and normative commitments. Employee performance is measured through task, adaptive, and contextual performance indicators. The analysis used is Structural Equation Modelling (SEM) based component or variance by using Partial Least Square (PLS). The conclusion is leadership style, culture and organizational commitment influence employee performance. Effective leadership styles can inspire and motivate employees to work hard to achieve the goals and successes of individuals and organizations. Organizational culture can affect employee behavior and attitudes. Organizational culture can serve as a powerful tool for implementing innovative ideas, influencing employee behavior, and improving performance. Employee commitment to the organization can also improve their performance.