Date
| Venue | Conference | Contribution |
May/June 2013 | Avaldsnes (Norway) | Hanseatic Trade in the North Atlantic: New Discoveries from Archaeology and History | Presentation: Interpreting the ‘Beluga Ship’ – A 15th-century shipwreck with Scandinavian features from the Hanseatic City of Bremen

|
October 2012 | Amsterdam (Netherlands) | 13th International Symposium on Boat and Ship Archaeology
| Poster presentation: Variations in medieval shipbuilding – A Bremen case study 
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February 2012 | Greifswald (Germany) | Winter School of the Alfried Krupp Wissenschaftskolleg Greifswald “Hansegeschichte als Regionalgeschichte” | Presentation |
November 2011 | Helsinki (Finland) | 2nd Baltic Workshop for PhD Researchers in Maritime Archaeology | Participation |
October 2011 | Bremen (Germany) | Deutscher Archäologie Kongress / DGAMN-Tagung “Holzbau im Mittelalter und der Neuzeit” | Presentation: Variationen in der mittelalterlichen Schiffbautechnik anhand von Wrackfunden in Bremen
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May 2011 | Cattolica (Italy) | Sommer School of the University of Bologna: Mediterranean and Baltic Sea. A cultural bridge between northern and southern Europe | Presentation: Cogs in the Baltic Sea: A challenging quest for tracing innovation and change in high medieval shipbuilding and navigation on the basis of an ambivalent historical-archaeological record |
June 2010 | Stockholm (Sweden) | 1st Baltic Workshop for PhD Researchers in Maritime Archaeology
| Participation |
March 2010 | Toronto (Canada) | Gentes trans albiam. International Conference on Landscapes and Societies in Ancient and Medieval Europe East of the Elbe – Interactions between Environmental Settings and Cultural Transformations, co-organised by the History Department at York University in Toronto, the Graduate School ‘Human Developments in Landscapes’ at the University of Kiel and the German Historical Institute in Warsaw  | Presentation: Dynamics for Cultural Change in the Baltic Sea Region in the Age of the Northern Crusades – a maritime archaeological perspective  |