I supervise postgraduate work that focuses on topics including bilingualism, multilingualism and translanguaging, language policy, and language teaching and learning. This page contains information about the dissertations I have supervised in the past or am currently supervising. The page also includes information that may be useful if you would like to get in touch for me to supervise or examine your work.
Information for prospective students
If you are interested in conducting supervised research in a field where my expertise could be useful, I would be happy to hear from you.
- Students who are currently enrolled in the LRM programme at the Hellenic Open University and would like to explore supervision options should contact me during my office hours. You can find these in the Courses LMS. It would be helpful if you have prepared a list of three-four project ideas that interest you before this meeting. Please note that such discussions are best conducted approximately three months before the semester when you intend to start work on your dissertation.
- If you are not enrolled in a programme where I teach, but are interested in exploring options for a PhD project, I would be happy to meet you for an initial consultation. To help me better understand your strengths and interests, please attach a brief CV (two-pages maximum, no photos) and a one-page description of the project that interests you.
Projects supervised
I have supervised, or am currently supervising the following student research projects.
In preparation
- Koumoutsou, G. (to appear). Title to be confirmed.
- Pappa, N. (to appear). Cultural crossroads: Depictions of migrants and refugees negotiating identity and integration in cinema. MA dissertation, Hellenic Open University.
Completed (HOU)
- Vareli-Roberts, M. (2025). Guided play in language education for children with refugee and migrant background: A case study in a Greek NGO. MA dissertation, Hellenic Open University.
- Magka, M. (2025). Cooperative learning strategies: Conducting action research to investigate how they can enhance the second language learning of second-generation migrants. MA dissertation, Hellenic Open University.
- Rizou, K. (2025). Educating refugee and immigrant adults: Educational practices to create motivation and address barriers. MA dissertation, Hellenic Open University.
- Diakogianni, P. (2024). Exploring research engagement among language teachers in refugee and migrant education. MA dissertation, Hellenic Open University.
- Soultse, E. (2024). Integration of highly-skilled migrants into post-Brexit UK. MA dissertation, Hellenic Open University.
- Moustakas, S. (2024). Issues of critical pedagogy: Tracing fluid racism in contemporary High school educational environments. MA dissertation, Hellenic Open University.

- Tzouri, E. (2024). The refugee crisis and how it is approached on screen. A multimodal film analysis of refugees’ representation in documentaries and the case of Specters are Haunting Europe. MA dissertation, Hellenic Open University.
- Kolovou, S. (2023). The effect of motivation and attitude on language learning for adult refugee and migrant learners of Modern Greek in non-formal education: A comparative case study. MA dissertation, Hellenic Open University.
- Palavouzi, M. (2023). Transcending boundaries: A study of multilingualism and cultural adaptation in the life of an immigrant woman living in Greece. MA dissertation, Hellenic Open University.
- Papoutsi, E. (2023). Delving into the most salient challenges of teaching/learning in multicultural classrooms through the teachers’ lens: A survey about the Greek context. MA dissertation, Hellenic Open University.
- Taxiarchou, P. (2022). Intentional dynamics of teaching the Greek language to linguistically and culturally diverse students: A narrative inquiry into High School teachers’ challenges and aspirations. MA dissertation, Hellenic Open University.
- Ptsi, A. (2021). A qualitative research on migrant children. How is their bilingualism viewed by their parents and teachers. MA dissertation, Hellenic Open University.
Completed (Previous appointments)
- Balcerzyk, M. (2014). Learning as fuller participation in the discourse: study of classroom interactions in the context of Chilean, adult, EFL private education. MA dissertation, The University of Manchester.
- Buckley, K. (2014). The effect and effectiveness of a cognitive linguistics informed approach to the teaching of phrasal verbs to second language learners. MA dissertation, The University of Manchester.
- Effraimidis, J. (2012). Using digital technology in teaching foreign languages. BA thesis, Epirus Institute of Technology.
Examination of research projects
I welcome opportunities to be involved in the examination of postgraduate work in the fields of applied linguistics and language teacher education. Although this process is typically managed by university administrators, I am happy to be contacted for informal inquiries. An abstract of your dissertation or thesis would be very helpful for determining whether I am an appropriate examiner for your work.
PhD theses
I am proud to have served as an external examiner in the examination of the following doctoral theses:
- Jones, M. (2025). Investigating factors that influence English L2+ perceptual vowel acquisition: modality, speaker, and feedback. Doctoral thesis, TU Dortmund.
- Mirillo, H. (2025). A narrative exploration of the experiences of international academics in the UK. PhD Thesis, The University of Manchester.
- Aspbury-Miyanishi, E. (2022). In the midst of practice: Developing the skilled teacher approach. PhD Thesis, The University of Manchester.
- Savvani, S. (2022). Language teachers’ emotions in game-mediated teaching. PhD Thesis, University of Essex.
MA dissertations
I have examined MA dissertations for the University of Venice, as part of the joint degree programme in English Studies co-offered with the University of Graz. I also regularly serve as a non-supervising examiner for the Hellenic Open University.

Achilleas Kostoulas
I teach language teacher education and applied linguistic courses at the University of Thessaly and the Hellenic Open University. My research focuses on various aspects of language, language policy, multi- and plurilingualism. I often approach these through complex systems theory and ecological perspectives. I also have a deep interest in the linguistic integration of refugees and migrants. You can read more about my books, including the Intentional Dynamics of TESOL (2021; with Juup Stelma) and Challenging Bounadries in Language Education (2018) here.
This page
This page was last updated in September 2025.













