The Annex Building consists primarily of classroom space. The D'Angelo Library opened in the spring of 2011 and includes a learning resources center, collection and reference rooms, several training and conference rooms, an audio-visual/multimedia room, a special collections room, and group study rooms and numerous offices for library support personnel. The library was named for Vincent D'Angelo, D.O. (class of 1957) and his wife, Cleo D'Angelo. The Leonard Smith Hall houses more than 50 individual and small-group study rooms, a computer lab, student lounge, and a Bioethics classroom. The Mary Lou Butterworth, D.O., Alumni Center is a meeting center for students, faculty, and alumni.