Seyed Ali Akbar Ahmadi - Professor of public administration, Payamnoor University
Ali Mohammad Masiha - Master of Public Administration, Payamnoor University

The aim of this study was to investigate the relationship between leadership style and employee creativity with mediating role of organizational culture in the social security insurance organization of Tehran. Research methodology was cross-correlation. The population consisted of all the managers and employees of the social security insurance organization of Tehran. The sample according to Morgan table was 341 people. Simple random sampling used to select the sample. Data collection tool was Boss and Oliva s transformational leadership style questionnaire by reliability 0.80, Randsip s creativity questionnaire by reliability 0.87 and Denison and Mishra s organizational culture questionnaire by reliability 0.81 in the form of five-Likert scale. To test the research questions KS, Pearson correlation, regression and chart a course through the SPSS and LISREL software is used. The results showed that there is a significant and direct correlation between the manager s leadership style (encouraging intellectual, ideological influence, inspirational motivation) and employee s creativity in social security insurance organization. There is a significant and direct correlation between manager s leadership style (idealized influence, inspirational motivation) and organizational culture in social security insurance organization. There is a significant and direct correlation between the creativity of staff and organizational culture in social security insurance organization and finally on the path analysis, the model can explain the relationships between variables directly or indirectly.

leadership style, creativity, organizational culture