STP Trisakti Library have three librarian working at two division in the library. The two division is service devision and collection development. on collection development, librarian have responsibility for doing the process of procurement, recording, description and processing of all library collections such as books, theses, journals and other library collections. On service devision, libraian have responsibility in the process of borrowing, returning, promoting library services, library education about information literacy, and information search services to users or users.
Every library member have rights to recive service from every librarian. The form of services that can be utilized from librarians is education about information literacy, information search services both print and digital. The Trisakti STP Library encourages library users to utilize the existence of librarians to support learning activities in lectures. This is done with a view to ensuring the transfer of information regarding the use of libraries both the use of library collections and the use of assistance in the writing process can be carried out and useful.