Leiden, November 2020: Initiator and co-chair of the international conference: Collect & Connect: Archives and Collections in a Digital Age, 22-24 November 2020, Naturalis Biodiversity Center.
Leiden, June 2020: Member of the Program Committee of the conference D(igital) H(humanities) Benelux, 3-5 June 2020.
Malta, February 2020: Initiator and co-chair of a special session on challenges and opportunities of Artificial Intelligence & Digital Heritage (ARTIDIGH 2020). The special session forms part of the 12th international conference on Agents and Artificial Intelligence (ICAART 2020) to be hold in Malta, 22 – 24 February 2020.
Leiden, 2017: Initiator and organizer of the international symposium Managing Alliances: Plant Sciences at Bogor Botanical Gardens 1817-2017. Hortus Botanicus Leiden (together with Robert-Jan Wille and Paul Kessler)
Oxford, 2017: Co-applicant and co-organizer of the panel Niches and Networks of Expertise: Negotiating Citizenship, Science, and Economy in Southeast Asia and Beyond, Annual meeting of the European Association for Southeast Asian Studies (EuroASEAS) in Oxford, 16-18 August (together with Agus Suwignyo).
Valkenswaard, 2015: Organization of a public symposium on the chemistry of litography. (together with Ernst Homburg)
Twente, 2014: Organization of the annual internal research conference (STePS Research days). (together with Annalisa Pelizza)
Boston, 2013: Organization of a panel on Paper and Paperwork: Tools of Governance and Science. (together with Megan Williams)
Leiden, 2010: Organization of a mini-symposium on Unravelling the Archives of the Natuurkundige Commissie voor Nederlandsch Indië (1820-1850). (together with Leonard Blussé, Chris Smeenk en Eulàlia Gassó-Miracle)
Leiden, 2008. Organization of an international workshop on Local Encounters and the Global Circulation of Knowledge, 1750-1850 at Leiden University. (together with Lissa Roberts)