It conducted this research intending to analyze and know the extent of the impact of the leadership style and the knowledge transfer process carried out, the effect of leadership on strengthening organizational culture and improving the performance of the Class IIA Sungguminasa Women's Prison. Research has been carried out using a quantitative approach that uses a questionnaire to obtain information related to the study, which is then carried out data processing on the questionnaire distribution recapitulation using the Structural Equation Model (SEM) method with the help of Smart PLS 3.2.8 software. The leadership style adopted by this agency leadership has had a significant positive impact on transferring knowledge to employees and strengthening organizational culture but has not had a substantial impact on employee performance. The effect of mediation shows that corporate culture can have a significant impact as a mediating variable. In contrast, the transfer of knowledge has not substantially affected the influence of leadership style on organizational performance if used as a mediating variable.