Gitte Hansen is an associate professor in medieval archaeology at the University Museum of Bergen. With the point of outset in a broad specter of 11-13th century urban material culture, her research focuses on different aspects of the identities of `ordinary people' in the Middle Ages. She is particularly interested in craftspeople and consumers of affordable crafts that lived their lives in the Scandinavian area with bordering regions. Irene Baug is a postdoctoral researcher in archaeology in the Department of Archaeology, History, Cultural Studies and Religion at the University of Bergen. Her research interests deal with social, socio-political and economic aspects of the Viking Age and the Middle Ages. Her research has mainly focused upon utilization of different outfield resources - such as production of different stone products c. AD 700-1500, and distribution and trade of these products within Northern Europe. Her work is based on own archaeological fieldwork, artefacts studies and multidisciplinary cooperation. Steven Ashby is a lecturer in the Department of Archaeology, University of York with specialism in the archaeology of portable material culture and the use of animal products in craft and industry in the medieval period. He is particularly interested in the relationship between the various regions of Britain and Scandinavia before, during, and after the Viking Age.