The purpose of this research is to find out. As well as knowing what factors Might Be made or improved on employee performance at Bank Mandiri. The research method used is a survey method using a questionnaire that has been filled with validity and reliability, and uses analytical techniques with quantitative calculations. The analysis technique used to calculate impact (X1), organizational culture (X2), commitment (X3) with effectiveness of employee performance (Y), either individually or jointly. It is known from the results of testing the independent variables that are significant to the performance of the bank employees.