Ibrahim Fahad Sulaiman [Supervisor]سالم محماس عوض محماس الشامسيSalem Mehmas Awad Mehmas Al-Shamsi2024-11-192024-11-192024-06Salem Mehmas Awad Mehmas Alshamsi. (2024). ‘Athar al-qiyadat al-tahwiliyyah wa al-istiratijiyyah fi tahqiq al-tamayyuz al-muwassasi min khilal manzumah al-‘idarat al-hadithah bi wazarah al-dakhiliyah bi-dawlat al-'imarat al-‘Arabiyyah al-mutahidah [Doctoral dissertation, Universiti Sains Islam Malaysia]. USIM Research Repository.https://oarep.usim.edu.my/handle/123456789/25116Matric: 4182511 (FKP)The study determines the role of transformational leadership and strategic leadership on organizational excellence in the Ministry of Interior in the Emirate of Abu Dhabi in the United Arab Emirates. Examining the modern management system and its impact on the relationship between transformational leadership and strategic leadership on organizational excellence at the Ministry of Interior in the Emirate of Abu Dhabi. The study adopted a quantitative analysis method, and accordingly a questionnaire was designed to collect data for analysis. 400 questionnaires were distributed among the employees at the assistant secretary sector at the Ministry of Interior in the Emirate of Abu Dhabi in the United Arab Emirates, 351 respondents were analyzed. The Statistical Package for Social Sciences program (SPSS) was used to analyzed the descriptive data and the structural equation modelling program was used (Smart-PLS) to determine the direct and indirect relationships among variables in the study. The current study concluded that there is a relationship between transformational leadership and strategic leadership in organizational excellence. A holistic mediation of modern management system in the relationship between transformational leadership and organizational excellence at the Ministry of Interior in the Emirate of Abu Dhabi in the United Arab Emirates. The results also showed that there is a direct relationship between transformational leadership and strategic leadership and a total mediation of the modern management system in the relationship between strategic leadership and organizational excellence in the Ministry of Interior in the Emirate of Abu Dhabi in the United Arab Emirates. As the results of the path analysis revealed the significance of the indirect relationship of the modern management system in the relationship between transformational leadership and organizational excellence. Therefore, this study recommended the Ministry of Interior and other government agencies for organizational excellence towards the discovery of mediating relationships of the modern management system in the relationship between transformational leadership and organizational excellence .ArTransformational leadershipStrategic leadershipMinistry of Interior in the Emirate of Abu DhabiUnited Arab Emirates (UAE)Organizational excellenceModern management systemLeadership—Psychological aspectstext::thesis::doctoral thesis