Hamid Taboli, Hamed Enshaei, The Effect of Organizational Intelligence and Occupational Success on the Intermediary Role of Personality Characteristics and Job Enthusiasm among the Middle Managers of Municipalities in the Province of Mazandaran, The Social Sciences, Volume 11,Issue 27, 2016, Pages 6556-6562, ISSN 1818-5800, sscience.2016.6556.6562, (https://makhillpublications.co/view-article.php?doi=sscience.2016.6556.6562) Abstract: The aim of this research is to investigate the impact of organizational intelligence on career success, with respect to the role of personality characteristics and job enthusiasm among the middle managers of municipalities in the province of Mazandaran. This study, with the use descriptive and correlational studies is conducted on a sample of 212 middle managers of municipalities in the province of mazandaran. Calculating the number of samples is determined via Krejcie and Morgan table (n = 132). To examine the hypothesis and research questions, the partial least squares approach is used. For data analysis, SPSS Version 19 and Smart PLS 2 are used and the significance level is set at 0.05. The results of this study show that organizational intelligence does not affect career success; nevertheless, organizational intelligence indirectly affects career success through the mediating variable of personality characteristics. On the other hand, organizational intelligence indirectly affects career success through the mediating variable of job enthusiasm. Therefore, it is recommended to use the mediating variables of personality characteristics and job enthusiasm for the impact of organizational intelligence on the career success. Keywords: Organizational intelligence;career success;personality characteristics;job enthusiasm;SPSS