: The role of Public Relations is an actualization in optimizing the working quality of human resources which is concerning to create, to build, to increase, to maintain the credibility and to publish any working program of institution. The role of a human resource purposed to create a nice relationship for all public so that it will get th direct feedback from society and presented as the participation and make sure to public for believing the surplus of the institution. The strategy is also needed to maintain the credibility of institution. So, the role of human resource is very essential, the goodside and badside of human resource could influence the public opinion to the institution. In organization world, the human resource's business car rivalized to anothers. This research assumed to be important for knowing the human resources role in increasing the credibility of Tribhuwana Tunggadewi University by using descriptive qualitative research. Beside that, the writer used many ways to get the datas. They are interview and documentation. Then, to check the data validation analyzed used the data triangulation technique.
Key words: The role, Human Resources, Credibility