The study aims to examine the influence of, transformational leadership, personality and job satisfaction on lecturers' organizational commitment. The variables of transformational leadership, personality and job satisfaction were treated as independent variables while the dependent variable is lecturers' organizational commitment. The study was conducted on purposively selected 94 lecturers of Theological College in the city of Bekasi, West Java, Indonesia. Using mix method, sequential explanatory design is applied where quantitative come first. The study both quantitatively and qualitatively reveals that there is a positive significant relationship among variables under the following distribution of coefficient of correlation: transformational leadership to lecturers' organizational commitment = 0.582, personality to lecturers' organizational commitment = 0.169, job satisfaction to lecturers' organizational commitment = 0.267 and when tested together it produces coefficient of correlation = 0.55 indicating the existence of other 45% variables not including in the model affecting organizational commitment in the theological college' lecturers working environment.