The commitment of lecturers to the organization is a part to improve the quality of higher education through the implementation of tri dharma of higher education which is an obligation for each lecturer. In other words, committed lecturers will perform positive attitudes and behaviors towards their institution, have the spirit to defend the organization, improve their achievements, and try to realize the goals of the organization. The purpose of this study is to analyze the organizational commitment of lecturers who are associated with some variables: personality, leadership, and work motivation.The study was conducted at M.H. Thamrin University, Jakarta. The population of this research is the home-based lecturer, and the sample is selected by simple random sampling, so the number of samples is determined based on the Slovin technique and that is129. This research is using survey methods and data analysis through path coefficients and t-test. Path coefficient analysis is used to detect the influence of direct and indirect between independent variables on the dependent variables.The results of theresearch showed: 1) there was a positive direct effect on personality on organizational commitment, 2) there was a positive direct effect on leadership on organizational commitment, 3) there was a positive direct effect on work motivation on organizational commitment, 4) there was an indirect and positive influence on leadership on organizational commitment through work motivation,5) there was an indirect and positive influence on personality on organizational commitment through work motivation, and 6) there is an indirect and positive influence of personality on organizational commitment through leadership.Keywords: Personality, Leadership, Motivation, Commitment.