Dr Siamagka has obtained a BSc (Hons) in Management Studies from Brunel University, a MSc in Marketing and a PhD in Marketing from the University of Birmingham.
2023 - today: Associate Professor Professor of Marketing, School of Economics, Aristotle University of Thessaloniki
2018 - 2023: Assistant Professor of Marketing, School of Economics, Aristotle Unievrsity of Thessaloniki
2017 -2018: Associate Professor of Marketing, Programme Director of the MSc International Marketing- King's College London
2014 - 2017: Assistant Professor of Marketing- King's College London
2011 - 2013: Assistnat Professor of Marketing, Henley Business School, University of Reading
2010 - 2011: Assistant Professor of Marketing, Hull Business School, University of Hull
Dr Siamagka is Associate Editor for the Journal of Consumer Behaviour and Deputy Chair of the Special Interest Group on Consumer Psychology & Cross-Cultural Research, Academy of Marketing.
Dr Siamagka’s main research areas include cross-cultural consumer research, as well as consumer-brand relationships particularly within the context of brand failures.
Publications in peer-reviewed journals
Balabanis, G., & Siamagka, N. T. (forthcoming), A meta-analysis of consumer ethnocentrism across 57 countries, International Journal of Research in Marketing
Mattison Thompson, F., and Siamagka, N. T. (2022), Counteracting consumer subversion: Organizational privacy ethical care as driver of online information sharing, Psychology & Marketing, 39(3): 579-597.
Christodoulides, G., Gerrath, M. H., and Siamagka, N. T. (2021), Don't be rude! The effect of content moderation on consumer‐brand forgiveness, Psychology & Marketing, 38(10): 1686-1699.
Michaelidou, N., and Siamagka, N. T. (2021), Introduction to special issue on contemporary personality perspectives in consumer behaviour, Journal of Consumer Behaviour
Stathopoulou, A., Siamagka, N. T., and Christodoulides, G. (2019), A multi-stakeholder view of social media as a supporting tool in higher education: An educator-student perspective, European Management Journal, 37 (4): 421-431
Christodoulides, G., Michaelidou, N. and Siamagka, N.T., (2018), Social Media, Content Marketing and Engagement Strategies in B2B: Guest Editorial, Industrial Marketing Management
Balabanis, G. and Siamagka, N.T. (2017), Inconsistencies in the Behavioural Effects of Consumer Ethnocentrism: The Role of Brand, Product Category and Country of Origin, International Marketing Review, 34 (2)
Siamagka, N.T., Christodoulides, G. and Michaelidou, N. (2015), Determinants of Social Media Adoption by B2B Organisations, Industrial Marketing Management, 51: 89-99
Siamagka, N.T. and Balabanis, G. (2015), Revisiting Consumer Ethnocentrism: Review, Reconceptualization and Empirical Testing, Journal of International Marketing, 23 (3): 66-86
Siamagka, N.T., Christodoulides, G. and Michaelidou, N. (2015), The Impact of Comparative Affective States on Online Brand Perceptions: A Five- Country Study, International Marketing Review, 32 (3/4): 438-454
Macevski, M., Michealidou, N. and Siamagka, N.T. (2015), Consumers' Intention to Donate to two Children’s Charity Brands: A Comparison of Barnardo’s and BBC Children in Need, Journal of Product and Brand Management, 24 (2): 134-146
Michaelidou, N., Siamagka, N.T., Moraes, C. and Macevski, M. (2013), Do Marketers Use Visual Representations of Destinations that Tourists Value? Comparing Visitors’ Image of a Destination with Marketer-Controlled Images Online, Journal of Travel Research, 52 (6): 789-804
Takhar, A., Derera, E., Evans F., Siamagka, N.T. and Chitakunye, P. (2013), The Role of Social Context on Attitudes Towards Product Placement in Children’s Films, Advances in Consumer Research, 41
Christodoulides, G., Michaelidou, N. and Siamagka, N.T. (2012), A Typology of Internet Users based on Comparative Affective States: Evidence from Eight Countries, European Journal of Marketing, 47 (1/2): 153-173
Michaelidou, N., Siamagka, N.T. and Christodoulides, G. (2011), Usage, Barriers and Measurement of Social Media Marketing: An Exploratory Investigation of Small and Medium B2B Brands, Industrial Marketing Management, 40 (7): 1153-1159
Publications in conference proceedings
Boukis, A., Christodoulides, G., and Siamagka, N.T. (2019), How can Blockchain Technology affect Consumer-Brand Relationships in Global Markets, AMA Global Marketing SIG, Buenos Aires
Jirsak, S., West, D., Mattison Thompson, F., and Siamagka, N.T. (2018), Intuitive versus Analytical Delight: How Customers Process Delightful Stimuli, Academy of Marketing Science, Porto
Jirsak, S., West, D., Mattison Thompson, F., and Siamagka, N.T. (2018), Delightful Deliberation: The Effect of Intrinsic Processing on Customers’ Delight, European Marketing Academy Conference (EMAC), Glasgow
Siamagka, N.T. and Christodoulides, G. (2016), Understanding Consumer Brand Forgiveness, Global Marketing Conference, Hong Kong
Siamagka, N.T., Punjaisri, P. and Antonacci, M.V. (2015), An Investigation into the Driving Mechanisms of Consumer Engagement, Academy of Marketing Science Conference, Denver
Balabanis, G. and Siamagka, N.T. (2014), The Behavioral Effects of Consumer Ethnocentrism: The role of Brand, Product Category and Country of Origin, Global Marketing Conference, Singapore
Siamagka, N.T. and Christodoulides, G. (2014), Social media in higher education: an investigation into UG marketing education in the UK, World Marketing Congress, Lima
Siamagka, N.T., Christodoulides, G. and Michaelidou, N. (2014), The Impact of Comparative Affective States on Online Brand Perceptions: The Moderating Role of Cultural Dimensions, Academy of Marketing Science Conference, Indianapolis
Balabanis, G., Siamagka, N.T., Emmanouilides, C. (2013), Consumer Ethnocentrism: Too Finicky?, European Marketing Academy Conference (EMAC), Istanbul
Christodoulides, G., Siamagka, N.T. and Michaelidou, N. (2013), A Model for the Adoption of Social Media by B2B Organisations, Academy of Marketing Science Conference, Monterey, California
Michaelidou, N., Siamagka, N.T. and Christodoulides, G. (2011), Usage, Barriers and Measurement of Social Media Marketing: The Case of B2B SMEs, European Marketing Academy Conference (EMAC), Ljubljana
Christodoulides, G., Michaelidou, N. and Siamagka, N.T. (2011), Using Comparative Affective States to Develop a Typology of Internet Users: Evidence from Eight Countries, European Marketing Academy Conference (EMAC), Ljubljana
Michaelidou, N., Siamagka, N.T., Sun P. (2011), Visitors’ Perceived Image in Destination Branding: A Case Study of Taiwan, Thought Leaders in Brand Management, Lugano
Siamagka, N.T. and Balabanis G. (2010), Consumer Ethnocentrism: Socially Imposed?, European Marketing Academy Conference (EMAC), Copenhagen
Christodoulides, G., Michaelidou, N. and Siamagka, N.T. (2010), A Typology of Online Users Based on Emotions, European Marketing Academy Conference (EMAC), Copenhagen
Balabanis, G. and Siamagka, N.T. (2009), Cross Cultural Differences in Consumer Ethnocentrism, Cross Cultural Research Conference, Puerto Vallarta
Siamagka, N.T. (2009), Reconceptualising Consumer Ethnocentrism: Affective, Cognitive and Normative Aspects, European Marketing Academy Conference (EMAC), Nantes
Introduction to Marketing
Marketing Research
International Marketing