This research explores the antecedence of the lecturer’s organizational citizenship behavior (OCB) of the private higher education in Indonesia. This research used a quantitative approach with a survey method. The sample of this research is 190 lecturers selected by purposive sampling. The data were obtained by spreading questionnaires and analyzing with path analysis based on supporting descriptive statistics and correlation. The results of research confirm that learning organization, reward system, and organizational commitment had a significant direct effect on OCB, learning organization and reward system had a significant direct effect on organizational commitment, and learning organization and reward system had a significant indirect effect on OCB by mediating organizational commitment. A fit research model was found about the effect of learning organization and reward system on OCB by mediating organizational commitment. This model can be discussed as a reference by researchers and practitioners in developing models of OCB in the future.

This paper presents an empirical investigation to study the effects of organizational culture and information technology on knowledge sharing in national foundation of computer games (NFCG) located in city of Tehran, Iran. The proposed study designs a questionnaire in Likert scale, distributes it among 55 selected people who work for NFCG, which consists of three categories of organizational culture, information technology and knowledge sharing and Cronbach alphas are calculated as 0.869, 0.707 and 0.773, respectively. Using ANOVA test, the study has determined a positive and meaningful relationship between organizational cultures and knowledge sharing. However, the study has not determined any positive and meaningful relationship between information technology and knowledge sharing. Furthermore, while the results of the study have not indicated any meaningful relationships between trust, employee communication on one side and knowledge sharing on the other side, there were positive and meaningful relationships between reward system and organizational structure on one side and knowledge sharing on the other side.