The University communicates to the Thomasian community and its external public through the Office of the Secretary-General. The Office determines and approves any official release and general dissemination of information about the University. The functions of the Office include keeping the seal of the University and affixing it to official documents, preparing chronicles of all major University events, organizing and supervising all major public functions, conducting the official correspondence of the University which include circulars, memoranda and announcements regarding policies, academic schedule, appointments of major university officials, faculty convocations, and other activities that are of University-wide significance.

The Secretary-General is the chief protocol officer of the University and directs information toward a positive public presence. He supervises the Office of the Registrar, Office of Public Affairs, Office for Admissions, Communications Bureau, and UST Publishing House.