Objective - The results of previous studies showthat leadership has a positive effect on knowledge sharing. However, there was a lack of studies which could prove that organizational culture and human resource practices can strengthen the effect of leadership on knowledge sharing. The objective of this study isto explain the role of organizational culture and human resource practices as moderating variables for the effect of leadership on knowledge sharing.

Methodology/Technique - The study was conducted at the Ngudi Waluyo General Hospital, Wlingi, Blitar, East Java, Indonesia. The number of respondents were 55 nurses. The WarpPLS program was utilized to obtain analysis of the study.

Novelty - This study shares the idea that both organizational culture and human resource management practices cannot serve as moderating variableswhich can affect transformational leadership in health service organizations. In this case, the nurses' knowledge sharing. This study also generated an advanced idea for verification.

Type of Paper - Empirical

Keywords: Leadership, Knowledge Sharing, Organizational Culture, Human Resource Management Practices, Nurse.

JEL Classification: M12, M14.