Professor of Early Medieval Archaeology

Professor of Archaeology, University of Oslo

The Hebrew University of Jerusalem

Professor, Boston College

University of Cambridge

Universitat Rovira i Virgili. Professor of Medieval History

Research Associate, History Faculty, University of Oxford/Università Ca'Foscari, Venezia

Department of Archaeology, Faculty of Arts, Charles University Prague

Professor of History, University of Georgia

Research Council of Finland Fellow, University of Helsinki