The effect of leadership style and organizational climate on the knowledge management_ the role of organizational structure and social reaction (survey about the Mellat Bank headquarters)

leadership style & organizational climate are considered as a substructure framework in successful performance of knowledge management. The purpose of this research, we are investigating both the effect of leadership style & organizational climate on knowledge management and the moderate role of organization structure & social interaction in affecting leadership style & organizational climate on knowledge management. this study has been done as a sample of 210 main employers of Tehran Mellat bank office. the descriptive- survey research is management type & used tools is questionnaire. we used modeling method of structural equations by lisrel software data analysis. research findings show leadership style doesn’t affect on knowledge management positively but organization climate has a positive effect on knowledge management. on other word, leadership style has a positive effect on organization structure & its own has a positive effect on social interaction. but in this research, moderate variable couldn’t play an easy role in affecting leadership style over knowledge management.