Established in 1990 under the Office of the University President, the Alumni Relations Office (ARO) serves as a focal point for all alumni activities and communications and serves as a liaison between the alumni/ae and the school. The Office also provides support and logistics to the Ateneo Alumni Association in homecomings and reunions.

The Alumni Relations Office (ARO) also maintains and updates the directory of all alumni/ae; likewise communicates with alumni chapters and groups here and abroad. The Office is also tasked to assist in the campaigns for scholarships, faculty chairs and faculty grants.