1995 ‘Semiotics and Territorial Ideology’. International Congress on Semiotics and Methodology of Sciences, University of Ioannina.
1998 ‘Foreign language learning conditions at A.U.TH.’ Seminar on ‘The teaching of foreign languages at A.U.TH., Greek Applied Linguistics Association, Thessaloniki.
1998 ‘Il testo e l’immagine nei materiali didattici’. Congress with international attendance organized by the Centro nazionale di Semiotica e Linguistica, Università di Urbino, Italy.
2000 ‘Progetto Xenios: difficoltà incontrate dal gruppo di ricerca responsabilie per la lingua italiana’. 2nd Italian Studies Conference, Thessaloniki (in collaboration with R. Gulisano).
2000 ‘Ways of reading an advertising poster.’ 5th National Conference of the Hellenic Semiotics Society, Thessaloniki.
2002 ‘Semiotic analysis of primary school textbooks: the ideology of textbooks and the ideology of the Greek.’. 6th National Semiotics Conference of the Hellenic Semiotics Society, Thessaloniki.
2004/7 ‘The melding of semiotics and language teaching: a proposal for bridging the “cultural gap” in foreign languages.’. 7th Conference of the Hellenic Semiotics Society, Patra, 1-3 October 2004.
2005 ‘Analisi e sfruttamento dell’immagine nell’insegnamento della lingua straniera.’ Progetto Europeo Tempus JEP 18101-2003, Seminari Tempo d’incontri-Nuove tendenze e nuovi curricula nell’insegnamento della letteratura italiana, Skopje.
2006 E-learning all’Università Aristotele di Salonicco – Distance learning at the Aristotle University of Thessaloniki’.. Two-day conference in the framework of the Programme Tempus JEP-18101-2003, New curriculum model for Italian studies (in collaboration with Th. Vavouras).
2007 Intercultural Translation: a quest for answers. 13th Early Fall Schoοl in Semiotics, Sociosemiotics, Southeast European Center of Semiotic Studies, New Bulgarian University, Sofia.
2007 ‘Analisi e sfruttamento dell’immagine nell’insegnamento della lingua straniera.’ Tempo d’incontri (Atti seminari), Skopje.
2007 ‘Investigation of cultural knowledge.’ 18th International Symposium on Theoretical and Applied Linguistics of the Department of English Language and Literature, A.U.TH., Learning Strategies and Teaching Strategies for Autonomy, 4-6 May 2007, Thessaloniki.
2008 ‘Hellenic Semiotics Association: production, limits and orientations. 8th Conference of the Hellenic Semiotics Association, Semiotics and Ideologies. Borders, Regions, Dispersions, Florina, 18-21 October 2007.
2009 ‘The translator’s image through his own texts.’ 2nd Meeting of Greek Translation Theorists. Translation research and translation practice in the Greek-speaking sphere, 7-9 May 2009, Thessaloniki.
2009 ‘Art subjects in the school programme. Teaching proposals and interdisciplinary approaches’, Two-day conference, 13-15 October 2009, Thessaloniki (in collaboration).
2009 ‘Intercultural communication and semiotic analysis in the materials of a foreign language.’ 44th Linguistics Colloquium ‘Globalization, Intercultural Communication and Language’, 9-12 September 2009, NBU, Sofia.
2009 ‘Social Semiotics and Multimodality. A Synaesthetic Analysis of a PC-based Educational Microworld of a Press Briefing.’ International Summer School for Semiotic and Structural Studies, Summer Schools and Festival: 25 Years Semiotics in Imatra, Workshop No 6, Applied Semiotics: Constructivism and Identity Formation, Imatra, Finland, June 11 – 15, 2010 (in collaboration).
2010 Interculturalism and Foreign Languages. International congress on ‘Immigration, multiculturalism and educational challenges: Policy – Research – Action’, Athens, 14-15 May 2010 (in collaboration).
2010 ‘Cultural Codes and Communication.’ Southeast European Center for Semiotic Studies, New Bulgarian University, Sofia.
2010 ‘Trivial objects, economy and `attainable luxury’. 9th International Conference of the Hellenic Semiotics Society, ‘The Everyday’, Nicosia, 5-7 November 2010, Cyprus (in collaboration with D. Charitatos).
2010 ‘A semiotic analysis of adolescents’ experienced and desired leisure.’ 9th International Conference ‘The Everyday’, Nicosia, 5-7 November 2010, Cyprus (in collaboration with E. Kartsaka, N. Chalkidis).
2010 ‘Symbols, ideas and living values in the art of young people: Painting their free time.’ 3rd International Conference on Children and Youth in Changing Societies, Thessaloniki, October 2010 (in collaboration with Ε. Κartsaka, N. Chalkidis)
2010 ‘Documentary Readings: a Visual Social Semiotic Analysis of Stinger: a New Weapon with an Age-old History.’ Rhetoric of the Visible Strategies of the Image between Signification and Communication. IX Conference of the dell’AISV-IASV, Venice, 13-16 April 2010 (in collaboration with G. Damaskinidis).
2010 ‘Semiotics of Values Education.’ Southeast European Center for Semiotic Studies, New Bulgarian University, Sofia.
2010 ‘A Charting Model of Values.’ Southeast European Center for Semiotic Studies, New Bulgarian University, Sozopol (in collaboration with E. Kartsaka)
2010 OSMOTOPIA – Olfactory routes of Thessaloniki’, 3rd IMAGINARIA (Co-ordination: ARQLAB www.arqlab.gr). Kodra Army Base, Thessaloniki (in collaboration with D. Charitatos). Nomeolvides. Co & Friends, Festival of Arts SPACE 3 ESPACIO, xoros3.wordpress.com.
2010 ‘Social Semiotics and Multimodality: A Synaesthetic Analysis of a PC-based Educational Microworld of a Press Briefing.’ International Conference for Semiotics and Structural Studies, June 11-15, Imatra, ISI International Semiotics Institute (in collaboration with G. Damaskinidis).
2011 ‘Designing a Visual Literacy Course in Language Teaching and Learning.’ 1st International Conference on Semiotics and Visual Communication, From Theory to Practice, 25-27 November, Limassol, Cyprus (in collaboration with G. Damaskinidis).
2011 ‘Raja Yoga and Semiotic Analysis. An Interview with a “Contemporary” Yogi.’ Southeast European Center for Semiotic Studies, New Bulgarian University, Sofia.
2011 ‘Towards a semiology of forewords by translators of Kavafis.’ 3rd Meeting of Greek-speaking Translators, Thessaloniki (in collaboration with D. Charitatos).
2011 ‘Art and living values: Point of reflection and creation.’ Meeting of Greek ICOM CECA (Committee for Education and Cultural Action) Taskforce, Educational action for cultural heritage and the environment 2010-2011, International Council of Museums (ICOM) – Greek Department (in collaboration).
2012 ‘Values in Greek International educational texts. A semiotic approach.’ International Conference on Education across borders, 6-7 Oct., Florina.
2012 Dilemmatic visual situations in press photographs: A photo-elicitation-based semiotic perspective of the Greek crisis. 10th Congress of the International Association of Visual Semiotics, AISV 2012 Buenos Aires, Argentina (in collaboration with G. Damaskinidis).
2012 Christodoulou, Α. & G. Damaskinidis (2012). ‘A Semiotic Quest for the “Fifth Element” in Foreign Language Acquisition.’ 11th World Congress of the International Association for Semiotic Studies, Global Semiotics Bridging Different Civilizations, School of Foreign Languages & Cultures Nanjing Normal University, China, 5-9 October 2012 (www.semio2012.com).
2012 ‘Casi di analisi semiotica del valore immateriale del lusso.’ XL Congresso AISS, Semiotica delle Soggettività, Associazione Italiana Studi Semiotici, Torino, 28-30 September 2012.