The present study examines the leadership responsibilities undertaken by leaders inside private Islamic universities. The present study was directed by a singular research issue, specifically focusing on the leadership role of leaders inside private Islamic religious universities in their efforts to enhance the quality of education. The present investigation is characterised as a qualitative study employing a case study design. The study was conducted at the Nahdlatul Wathan Islamic College (STAI NW) in Samawa, Sumbawa Besar Regency, located in the province of West Nusa Tenggara. Data gathering strategies encompass several methods such as interviews, observation, and documenting. In the interim, the process of data analysis was conducted utilising a series of established techniques, namely data reduction, data display, data condensation, and conclusion drawing/verification. This study demonstrates that in order to enhance the educational standards, the chairman of STAI NW Samawa undertakes various primary responsibilities, including: 1) managerial duties; 2) Developing academic quality and sustainability; 3) Fostering campus entrepreneurship; 4) providing motivation; and 5) optimising the allocation of responsibilities among lecturers and staff members. The findings of this research have the potential to enhance the significance of leadership within the framework of private Islamic religious universities.