I have reviewed for the following journals:

  • ASLIB Journal of Information Managment (former ASLIB Proceedings)
  • JASIS&T (Journal of the American Society for Information Science & Technology)
  • JIS (Journal of Information Science)
  • JWS (Journal of Web Semantics)
  • M/C Journal

Furthermore I have been in the following programme committees:


  • 2011-2012: Extending Computer-Aided Methods for the Analysis of Blogging and Microblogging Discourses and Publics. Project together with ARC Center of Excellence for Creative Industries and Innovation at Queensland University of Technology Brisbane, Australia. Funded by DAAD (Deutscher Akademischer Austausch Dienst) and ATN (Australian Technology Network). During this project I have been visiting researcher at QUT Brisbane in June 2011 and February 2012.
  • 2010-2012: Junior Researchers Group “Science and the Internet”. Funded by the Heinrich-Heine-University Düsseldorf’s research fund (Forschungsförderungsfonds).
  • 2008-2009. Multimediale und kollaborative Lehr- und Lernumgebungen in der akademischen Ausbildung [collaborative learning evironments and multi media in academic teaching]. Funded by the Heinrich-Heine-University Düsseldorf’s teaching funds (Lehrförderfonds).
  • 2005-2008: Ontoverse. Collaborative knowledge management in the Live Science network. Interdisciplinary resarch project together with University Duisburg Essen and others. Funded by BMBF (Federal Ministry of Education and Research).
  • 2004-2005: Student assistant in a market research project at HHU Düsseldorf on behalf of the Federal Ministry of Economics and Technology.
  • 2005: Three month stay in London, UK for research on my Magister thesis (equivalent to master thesis). Topic: Britische Filmpropaganda im Zweiten Weltkrieg [British propaganda films during World War II]. Supported by DAAD (Deutscher Akademischer Austausch Dienst).


  • American Society for Information Science and Technology (ASIS&T)
  • Deutsche Gesellschaft für Informationswissenschaft und Informationspraxis (DGI)
  • Founder member and former treasurer of FörderLink e.V., a nonprofit organisation supporting students in linguistics based at Heinrich-Heine-University Düsseldorf.
  • Association of Internet Researchers (AoIR)


  • Member of review board for the AoIR’s best dissertation award 2014.
  • External examiner of a Honours Thesis submitted at Queensland University of Technology, QUT Brisbane.
  • Participant in the roundtable session “Twitter and Society and beyond” at Internet Research 14.0, Denver, Colorado, USA, 23-26 October 2013.
  • Member of the expert group for the co:lab initiative “Sustainability in the Digital World”.