Academic associations
■ Vice president of the Hellenic Semiotic Society (from 2012), Member of Executive Committee (2010-2012), member (1995-2010).
■ National Representative of Greece (Hellas) to the International Association for Semiotic Studies (from 2012).
■ Member of the International Association for Cognitive Semiotics (from 2014).
■ Member founder of the Hellenic Society for Translation Studies.
■ Member of the Greek Applied Linguistics Association (1996-2010).
■ Member of the International Society for Greek Linguistics
■ Member of the International Scientific Committee and delegate in Greece of the Société d’Etudes des Pratiques et Théories en traduction (SEPTET, France)
Journals
■ Member of the Scientific Committee of the Journal Poliphilos published by the Department of Italian language and Literature, Aristotle University of Thessaloniki.
■ External reviewer for the Journal Sign Systems Studies.
■ Review Editor of Punctum-International Journal of Semiotics of the Hellenic Semiotic Society.
International Conferences
■ Member of the Scientific Committee of the 1st International Conference of Semiotics and Visual Communication, 25-27/11/2011 Technological University of Cyprus, Limassol.
■ Member of the Scientific Committee of the 10thInternational Conference of the Hellenic Semiotics Society: Changing Worlds and Signs of the Time, University of Thessaly, Volos (4-6/10/2013).
■ Member of the Scientific Committee of the First International Association for Cognitive Semiotics Conference (IACS-2014), Lund University, Sweden (25-27/9/2014).
■ Member of the Scientific Committee of the International Semiotic Conference, ‘Semiotics of Cultural Heritages : From Authenticity to Informatics, Istanbul University, Istanbul, Turkey (7-10/5/2015).
■ Member of the Scientific Committee of the 5th Meeting of Greek Translation Scholars, Aristotle University of Thessaloniki (21-23/5/2015).
■ Member of the Scientific Committee of the 2nd International Conference & Exhibition on Semiotics and Visual Communication (ICSVC): Culture of Seduction (the seduction of culture), Cyprus University of Technology, Lemesos, Cyprus (2-4 October 2015).