This aim of this study is examined the effect of new leadership style such as transformational and transactional leadership on the organization commitment such as affective, continuous and normative. The data collection of this study was based on higher educationparticularlyacademicstaff in publicuniversities Yemen. The finding of this study showed that there is a positive significant relationship between the transformational leadership organizational commitment dimensions affective, continuous and normative. Furthermore, transactional has also beenfound positive significant relationship with all dimensions of organizational commitment except organizational normative commitment. This study find out that leadership is crucial factor of enhancing the organizationalcommitment primaryin higher educationcontext.