 His primary research interests are the topography of Ancient Rome, the archaeology of Roman Mediterranean provinces, and the economy and trade of Rome and the Roman Empire.He received his degree in Roman Archaeology at the University of Siena, and a doctorate at the University of Pisa, under the supervision of Andrea Carandini.He returned to the University of Siena in 1992 as researcher, associate professor (2002), and Professor in Classical Archaeology (since 2005).