He has been named both a University Distinguished Scholar and an Outstanding Professor. He has also served as a national lecturer for the Archaeological Institute of America, has directed ten study tours to Italy and authored a course on DVD, Experiencing Rome: A Visual Exploration of Antiquity’s Greatest Empire. His publications include many articles in international journals on subjects such as gladiators and Roman spectacle entertainment, the decorative program of Roman amphitheaters, and triumphal imagery across the ancient Roman world.