Annual GRIP Lecture/ International Science CouncilEOS 2016 European Obesity SummitRevisiting RevengeWorkshop on Historical Justice and Memory: Questions of Rights and Accountability in Contemporary Society, Columbia University, New YorkCCK Research Seminar, Karolinska Institute, SwedenDigital Humanities 2008, Oulu, FinlandHolocaust Studies in the Digital Age. What’s New?15th European Bat Research Symposium (EBRS)ESA PhD Workshop 'Long live the active’, European Research Network on Ageing in Europe, University of Duisburg-Essen, Germany, 23-25 March 2015LIBC Main Series, LeidenRouteworkshop Nationale WetenschapsagendaDialogue and Reflection Together on 10 Years Maluku Conflict, Maluku Interfaith Institute (Lembaga Antar-Iman Maluku), AmbonEarste Boppeslach Underwiissympoasium, LjouwertFinal European Student Parliament - The Future of Our CitySymposium Food Fermentation: microbiological, nutritional and food quality aspects, WageningenSymposium "Changing families: emerging issues and needs", International Association of Gerontology and Geriatrics (IAGG), Paris, July 5-9 2009Meeting of the Iberian Association of Historical Demography, 18-19th June 2012, Madrid, SpainOogheelkunde, LeidenColloque : Autour des archives d’Argenson. Des femmes françaises et étrangères à leur écritoire de 1700 à 1840Vaarwel. Verschuivingen in vormgeving en duiding van uitvaartrituelen, Genootschap voor Liturgiestudie, UtrechtHonours Course Biologie, Universiteit UtrechtInternational Conference, AmsterdamColloque Le Rire des EpistoliersSeminar NIOO-KNAW TE, HeterenBibliometric-Enhanced IR. Workshop at the ECIR 20149th European Conference of Fungal Genetics (5-8 April 2008), Edinburgh, Englandinvited lecture, AMC, AmsterdamACHS - Association of Critical Heritage StudiesSlavernij in het Nederlandse Imperium - KNAW-IISG SymposiumInaugurele rede, Vrije Universiteit Amsterdamuitsluiting, stilte en taboe in de geschiedenisAnnual BBMS conference, CambridgeONWAR course in neurodegeneration., AmsterdamDebating the Cold WarInternational Workshop on Morphological Exponencen, AmsterdamBiodiversity and Evolution seminar series, FU Berlin4th Int. Conf. Polar Alpine Microbiol, Ljubljana, SloveniaMovement Ecology workshop, HeterenInvited visit to University of Oslo, Research Group on names and identities, department of linguistic and Scandinavian studies / name research, International Conference on Names and Identities II, Oslo (Noorwegen)China tour Tianjin