Current Position

Senior Lecturer in TESOL, Department of English, Lexicon Institute of Technology, Kandy-Kurunegala, Sri Lanka.

Academic Qualifications

•  PhD in General Linguistics, University of South Africa, 2017.

•  MA in TESOL, University of South Africa, 2012.

•  BA (Hons) in TESOL, University of South Africa, 2010.

•  Dip in TEFL, The Scottish International School, UK, 1992

•  Certificate in TEFL, Text and Talk Academy, Thailand, 2006

•  Govt English Specialist Trained Teacher Certificate, Peradeniya, Sri Lanka, 1988

Teaching & Research Interests

TESOL, Applied Linguistics, EFL Pedagogy, Academic Writing, Business Communication.

Professional Experience

•  English Lecturer, Silpakorn University, Thailand (2019–2025)

•  English Lecturer, University of Technology and Applied Sciences-Shinas, Oman (2012-2017)

•  English Lecturer, Prince of Songkhla University, Thailand (2006-2012)

•  English Instructor, Advanced Technological Institute, Sri Lanka (1999-2006)

Selected Publications

1. Samaranayake, S. (2025). A Semiotic Exploration of Human Language: Nature, Characteristics and Linguistic Equality. Journal of Mass Communication, 10(1), 161–178. https://so05.tci-thaijo.org/index.php/jmctrmutp/article/view/274477

2. Samaranayake, S. W., Thienpermpool, P., Kositchaivat, S. (2025). Investigating an Adapted the process genre writing model and its implications for undergraduate Thai students. Indonesian Journal of English Language Teaching and Applied Linguistics, 10(1), 73−90 http://dx.doi.org/10.21093/ijeltal.v10i1.1852

3. Samaranayake, S. W. (2024). The Impact of Online Tutoring on Oral English Proficiency of Adult Thai Learners. International Journal of Lifelong Education, 43(4), 448−463 https://doi.org/10.1080/02601370.2024.2358918

4. Samaranayake, S. W. (2016). Oral Competency of ESL/EFL Learners in Sri Lankan Rural School Context. SAGE Open, 6(2), 1−10. https://doi.org/1177/215824401665420

5. Samaranayake, S. W., Gabayno, J. J., & Sultan, B. (2017). The Effects of Writing Intervention on Omani Students. Lambert Academic Publishing GmbH & Co. KG, Germany.

Awards & Grants

•  University Graduate Bursary: Awarded by the University of South Africa to support my MA in TESOL and PhD studies, based on academic merit and departmental recommendation (2010-2013). Fund allocation Nos: 13315/24554 -54003/74241.

Professional Memberships

•  A member of the Teflasia organization

Contact Information

•  Email : sarath.samaranayake@lexicon.lk

•  ORCID : https://orcid.org/0000-0002-6352-726X

•  Google Scholar : https://scholar.google.com/citations?user=okfQWg4AAAAJ&hl=en

•  Web of Science : https://www.webofscience.com/wos/author/record/I-9360-2019