Craig's research focuses on English and European shipping, maritime communities, trade and naval operations from the late Middle Ages to the eighteenth century. He is Principal Investigator of the AHRC-funded English Merchant Shipping, Trade, and Maritime Communities in the Seventeenth Century project (Maritime Britain) and of the ERC Advanced Grant Uncharted Maritime Worlds: Reconstructing Early Modern Maritime Networks, c.1500–1800. His research uses large-scale historical datasets and digital methods to reconstruct shipping, trade and the people who participated in maritime economies. He is a Fellow of the Royal Historical Society and Professor of Maritime History at the University of Southampton.

As Co-Director of the Centre for Kent History and Heritage, Sheila's research focuses on medieval and early modern society with special reference to Kent. She has worked on several funded projects, including on 'Medieval New Romney', 'Sandwich in the Middle Ages' and 'Lydd in a Coastal Landscape'. She edited Early Medieval Kent, 800-1220 (2016), Later Medieval Kent, 1220-1540 (2010), Negotiating the Political in Northern European Urban Society c.1400-1600 (2013) and jointly edited Maritime Kent through the Ages (2022). Much of her published work considers a wide range of urban history topics, drawing on the exceptional archives of Canterbury and the Cinque Ports for the period c.1300-1600.

Robert is a specialist in the history of trade and finance in late medieval and early modern Europe. His research has focused on the socio-economic effects of commerce, and the relationship between political interests and commodity markets. He was awarded his PhD in 2018 by the University of Southampton for his thesis: The Political Economy of the Anglo-Gascon Wine Trade. His monograph, Government and Merchant Finance in Anglo-Gascon Trade, 1300-1500, was published by Palgrave MacMillan in 2020.