Chair | International Business Communication and Digital Business
Director | Institute for International and Digital Business
Vice President Research | Trier University of Applied Sciences
I research how language changes in a multimodal computer-mediated discourse (CMD) environment and how it adapts to its specific circumstances. My interests in this area include vocabulary and lexical innovation and the use of English as a Lingua Franca, particularly in blogs and via Skype. Together with Marie-Louise Brunner, I also investigate and teach the use of online media and corpora in the EFL classroom, integrating intercomprehension and intercultural approaches. After several earlier studies on historical linguistics, particularly the development of multi-word verbs, I have published various articles on food discourse, both in a historical and in an online discourse. Recently my research has focused on the relationship between language and identity. I am professor of International Business Communication and Digital Business at Trier University of Applied Sciences, associate professor of English linguistics and corpus linguistics at P faculty, Saarland University, and associate professor of English linguistics at Faculty I, Technical University Berlin, as well as head of the CASE research project, analyzing informal Skype conversations between international students using English as a Lingua Franca (other project researchers: Marie-Louise Brunner, Caroline Collet, and Selina Schmidt).
Brunner, Marie-Louise; and Stefan Diemer. October 2019. “Thanks for the like, please repost” – Evaluating Channel-Specific Customer Communication via Social Media. Paper presented at 84th Annual International Conference of the Association for Business Communication (ABC 2019), Detroit, USA.
Brunner, Marie-Louise; and Stefan Diemer. September 2019. “We’re always looking for great content” – Customer Interaction via Instagram. Paper at Workshop on "Challenges of computer-mediated communication data: #obstacles #opportunities", convened by Marie-Louise Brunner, Stefan Diemer, Matt Gee & Andrew Kehoe, BICLCE8 – 8th Biennial International Conference on the Linguistics of Contemporary English. Bamberg, Germany.
Monographs and Corpora
Diemer, Stefan; and Marie-Louise Brunner. 2020. "Tell me about food and I tell you who you are" - Expert identity in intercultural food discourse via Skype. Talking about Food. The social and the global in eating communities, ed. by Sofia Rüdiger and Susanne Mühleisen, 167-187. Amsterdam: Benjamins.
Brunner, Marie-Louise; and Stefan Diemer. 2020. Section on "Crisis Communication via Social Media: Can You Do Better?" In: Whalen, D. Joel. 2020. “Selections From the ABC 2019 Annual Conference, Detroit, Michigan: Dancin’ in Motown’s Streets to the Beat of My Favorite Assignments.” Business and Professional Communication Quarterly 83(2): 234-255. DOI: https://doi.org/10.1177/2329490620906454
Brunner, Marie-Louise; and Stefan Diemer. 2019b. Meaning negotiation and customer engagement in a digital BELF setting: A study of Instagram company interactions. Iperstoria – Testi Letterature Linguaggi 13(1): 15-33 [Special section: Negotiating Meaning in Business English as a Lingua Franca, ed. by Alessia Cogo and Paola Vettorel]. https://iperstoria.it/article/view/436.
Brunner, Marie-Louise; and Stefan Diemer. 2019a. Section on "Business Goes Intercultural: Developing an Intercultural Marketing Campaign" In: Whalen, D. Joel. 2019. “Selections From the ABC 2018 Annual Conference, Miami, Florida: Teaching Innovations Bright as the Tropical Sun.” Business and Professional Communication Quarterly 82(2). DOI: https://doi.org/10.1177/232949061983338.
Interviews and press articles
State Exam theses (Saarland University)
For courses and course materials, see also our course management system StudIP.
Courses offered at Saarland University:
I supervise exam theses in the areas of International Business Communication, Digital Business, Intercultural communication, Language and Communication, and Linguistics. If you want to write your thesis with me, please contact me well in advance.
I also supervise exam theses and exams at Exams in English linguistics and language science (Lehramt, Magister, BA & MA, Hauptfach oder Nebenfach) at Saarland University on a limited basis – please contact me well in advance. You can find a list of exam topics here. You will need to discuss exam inquiries or dissertation proposals well before a possible registration or examination date. For further information on exams in linguistics, see here.
I am currently supervising five doctoral theses. If you are interested in writing a doctoral thesis under my supervision, you are welcome to contact me with a project proposal.
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