Ph.D., Johns Hopkins University, 1985
First Forts: Essays on the Archaeology of Proto-Colonial Fortifications, Brill Academic Press, Leiden, Netherlands, 2010.
'A Splendid Empire': Archaeology and the Tudor -Stuart Atlantic World. Essays in Honour of Ivor Noël Hume, Oxbow Books, Oxford, UK, 2013.
Current ResearchArchaeological fieldwork at sites on St Croix, USVI, on Puerto Rico, and on Trinidad.
Archaeological fieldwork at sites related to Elizabethan colonization, North Carolina
Study of the military and domestic architecture of Sir Walter Raleigh, for a monograph.
Archaeological fieldwork at Molana Abbey, in Ireland, the residence of Thomas Harriot, Elizabethan explorer and scientist.