Reviewer of articles submitted to the journals:

• Journal of Language Aggression and Conflict
  
• Language@Internet
• Narrative Inquiry
• Internet Pragmatics
• Social Media + Society
• Lingua
• The European Journal of Humour Research
• Journal of Pragmatics
• Lodz Papers in Pragmatics
• Discourse, Context & Media
• Critical Discourse Studies

Reviewer of abstracts submitted to the following conferences:

• International Conference in Greek Linguistics (ICGL 15), Belgrade, University of Belgrade, Serbia (2022)
• International Conference in Greek Linguistics (ICGL 14), Patras, University of Patras, Greece (2019)
• 2nd International Conference: Approaches to Digital Discourse Analysis (ADDA 2), Turku, Finland (2019)
• Hawaii International Conference on System Sciences (2014)
• Internet Research 12.0 – Performance and Participation, the 12th annual conference of the Association of Internet Researchers, Seattle, USA (2011)
• 4th Lancaster University Postgraduate Conference in Linguistics & Language Teaching, Lancaster, UK (2009)

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Reviewer of book proposals:

• A monograph on multimodal critical discourse analysis of activists' discourse on Facebook, Routledge (2019)
• An edited volume on discourse analysis, Bloomsbury (Bloomsbury Discourse series) (2019)
• A monograph on conversation analysis on Facebook, Bloomsbury (2017)

Reviewer of chapters:

• 2 chapters for an edited volume on the construction of identities in social media discourse, Routledge (2016)
• 2 chapters for an edited volume on discourse and digital communication, IGI Global (2009)

Reviewer of books:
                           

• A monograph on conversation analysis on Facebook, Bloomsbury (2017)
• An edited volume on the analysis of political discourse, John Benjamins (2017)

Reviewer of research proposals:

• A proposal on privacy in social media, National Science Centre, Poland (2020)