Nandang Faturohman, Bedjo Sujanto and Thamrin Abdullah
The main agenda of the tertiary institution is to improve the quality of tertiary education and lecturers. To find out lecturers as an important component in education system of higher education, the researchers conducted a research at University of Sultan Ageng Tirtayasa (Untirta). Untirta is one of the state universities in Indonesia, located in Serang City, Banten Province. The aim was to determine the effect of leadership on the professionalism of lecturers. To achieve this goal, the survey method was conducted, through a sample of 226 lecturers. Analysis of the data used consists of: descriptive statistical analysis and inferential statistical analysis. The results of the analysis show the correlation between leadership and professionalism obtained r of 0.047 and t-test of 8.474. Then, the ttable value at the 0.05 level is 2.002. Thus, it can be concluded that there is a significant influence between leadership on lecturer professionalism.