Organizational citizenship behaviour and employee performance are two important things that must be a concern in every organization. Organizational citizenship behaviour is the behaviour of employees in completing work that usually exceeds the SOP. With OCB owned by employees, the performance of an organization can increase. This paper aims to determine the impact of transformational leadership and organizational culture on organizational citizenship behaviour and employee performance. The population in this study were all employees at the General Section of the Regional Secretariat of Jember Regency with a total of 98. The sampling method used the saturated sample method and obtained a total sample of 98 employees. Descriptive analysis is used to describe respondents and research variables. Validity test and reliability test are used as testers for measuring instruments in research. To determine the impact of the independent variable on the dependent variable using Structural Equation Model (SEM) analysis with WarpPLS version 6.0. The results of the analysis show that: transformational leadership has a positive impact on organizational citizenship behaviour; organizational culture variables have an impact on organizational citizenship behaviour; transformational leadership has an impact on employee performance; organizational culture has an impact on employee performance; organizational citizenship behaviour has a positive impact on employee performance at the General Section of the Regional Secretariat of Jember Regency.