This study aims to examine the influence of Servant Leadership and Perceived Organizational Support (POS) on Organizational Citizenship Behavior (OCB), with Organizational Commitment as a mediator, among employees at the Banyumas District Health Office. The research employs a quantitative approach with saturated sampling, involving 110 respondents. Data were analyzed using the Structural Equation Modeling - Partial Least Squares 3.0 method to test the relationships between variables. The findings reveal that Servant Leadership, Perceived Organizational Support, and Organizational Commitment have a positive and significant effect on OCB. Additionally, Servant Leadership and POS positively and significantly influence Organizational Commitment. Furthermore, Servant Leadership and POS positively and significantly impact OCB through Organizational Commitment.
                        
                        
                        
                        
                            
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