Purpose of this study is to investigate organizational commitment generation X lecturers of XYZ as a private University. Meanwhile, to have competitive advantage, a university needs supported by lecturers as qualified human resources. Lecturers are expected has motivation, commitment, enthusiasm to do her/his job to serve students well and give lecturing. In Indonesia context, lecturers should do TRIDARMA (lecturing, researching, doing community service) as performance. There is not many previous study generation X of private universities lecturers in Indonesia. Exploratory study conducted on 100 lecturers who work more than five years at XYZ University. The results obtained that 70% feel satisfied by remuneration. But only 40% feel has strong connection with institution. Then to discuss issue in depth, qualitative research method was conducted in this research. Through literatures studies, in-depth interviews, observation, that aim to get deeper information. Key informants are four lecturers who are generation X and had worked more than five year and their direct supervisor. Collecting data using triangulation method. Results shown that leadership style, organizational support and relationship within organization has impact to employee satisfaction. While employee satisfaction has impact to build organizational commitment. Research contributions provide input to higher education managers in managing lecturers as human resources to build organizational commitment.