Academic positions

• Assistant Professor, Graduate School of Language and Communication, National Institute of Development Administration, Thailand (2019-Present)
• Instructor, Graduate School of Languages and Communication, National Institute of Development Administration, Thailand (2017-2019)
• Graduate Research/Teaching Assistant, Department of Linguistics and Languages, Michigan State University, USA (2013-2017)
• Instructor, Division of English for Business, Chulalongkorn University Language Institute, Chulalongkorn University, Thailand (2010-2013)

Administrative positions

• Associate Dean for Planning and Development, Graduate School of Language and Communication, National Institute of Development Administration, Thailand (January 2021-Present)
• Interim Associate Dean for Planning and Development, Graduate School of Language and Communication, National Institute of Development Administration, Thailand (July - December 2020)

Articles in refereed journals

• Supasiraprapa, S. (2019). Frequency effects on first and second language compositional phrase comprehension and production. Applied Psycholinguistics, 40, 987-1017.
• Supasiraprapa, S. (2018). Prototype effects in first and second language learners: The case of English transitive semantics. Bilingualism: Language and Cognition, 21, 618–639. 
• Supasiraprapa, S. (2018). Second language collocation acquisition: Challenges for learners and pedagogical insights from empirical research. Journal of Asia TEFL, 15, 797–804. 
• Supasiraprapa, S., & De Costa, P. I. (2017). Metadiscourse and identity construction in teaching philosophy statements: A critical case study of two MATESOL students. TESOL Quarterly, 51, 868–896. 

Book review

• Supasiraprapa, S. (2018). Review of the book Understanding, evaluating, and conducting second language writing research, by Charlene Polio and Debra Friedman. NIDA Journal of Language and Communication, 23, 98–99.

Commercial book

• Supasiraprapa, S., Prapobratanakul, C., & Damrongmanee, M. (2016). 850 คำต้องรู้สู้ TOEFL และ CU-TEP [850 Essential Words for the TOEFL and Chulalongkorn University Test of English Proficiency (CU-TEP)]. Bangkok, Thailand: Chulalongkorn University Printing House. (second and third editions published in 2017 and 2021, respectively)

Guest commentator/ lecturer

• [2021] Guest commentator for the 39th Doctoral Dissertation Seminar organized by the English as an International Language (EIL) Program, Chulalongkorn University, Bangkok, Thailand, on December 20, 2021.
• [2021] Guest lecturer on the topic of "Statistics in Applied Linguistics" for the Research in English Applied Linguistics course offered by the graduate program in English as an International Language (EIL), Chulalongkorn University, on March 15, 2021.
• [2020] Guest commentator for the 37th Doctoral Dissertation Seminar organized by the English as an International Language (EIL) Program, Chulalongkorn University, Bangkok, Thailand, on December 21, 2020.
• [2019] Guest commentator for the 35th Doctoral Dissertation Seminar organized by the English as an International Language (EIL) Program, Chulalongkorn University, Bangkok, Thailand, on December 17, 2019.
• [2019] Guest lecturer on the topic "Instructed Second Language Acquisition" for the Second Language Acquisition course offerred by the MA program in English for Professional Development at the School of Liberal Arts, Mae Fah Luang University, Chiang Rai, Thailand, on April 21-22, 2019.
• [2018] Guest commentator for the Master's and Doctoral Dissertation Seminar organized by MA and PhD Programs in English for Professional Development at the School of Liberal Arts, Mae Fah Luang University, Chiang Rai, Thailand, on December 1-2, 2018.

Editorial work for academic journals

• [2018-present] Editorial committee member for PASAA, an English language learning and teaching journal published by Chulalongkorn University Language Institute, Thailand.
• [2020-April 2021] Editor-in-Chief, NIDA Journal of Language and Communication
• [2011-2013] Editorial board member for PASAA, an English language learning and teaching journal published by Chulalongkorn University Language Institute, Thailand.

External thesis or dissertation committee member or research instrument examiner

• [2021] Research instrument examiner for a study entitle "Information Needs of Breast Cancer Patients in Participating in a Breast Cancer Support Group," conducted by Assistant Professor Dr.Kanittha Rattanakalya, Faculty of Nursing, Chiang Mai University, Thailand.
• [2021] Research instrument examiner for a study entitle "Cross-Cultural Translation and Psychometric Testing of Caregiver Reaction Assessment Tool in Thailand," conducted by Dr.Kanchana Thana, Faculty of Nursing, Chiang Mai University, Thailand.
• [2019] Research instrument examiner for a master's thesis project entitled "The Acquisition Order of English Grammatical Morphemes in Thai EFL Learners," conducted by an MA student in Applied Linguistics at Mahidol University, Bangkok, Thailand.
• [2019] External committee member for dissertation and master's thesis defenses of students in the MA and PhD programs in English for Professional Development at the School of Liberal Arts, Mae Fah Luang University, Chiang Rai, Thailand, on May 10, 2019.

Research manuscript or conference presentation reviews

• [2021-present] Ad hoc manuscript reviewer for Asia Journal of TEFL.
• [2021-present] Ad hoc manuscript reviewer for Thoughts, a journal published by the Faculty of Arts, Chulalongkorn University, Thailand
• [2020-present] Ad hoc manuscript reviewer for Journal of Studies in the English Language, published by the Faculty of Liberal Arts, Thammasat University, Thailand.
• [2018-present] Ad hoc manuscript reviewer for PASAA, a journal published by Chulalongkorn University Language Institute, Thailand
• [2018-present] Ad hoc manuscript reviewer for NIDA Journal of Language and Communication.
• [2019] Research paper and poster reviewer for the conference marking the 53th anniversary of the National Institute of Development Administration on March 29, 2019.
• [2018] Research abstract reviewer for the 2019 Conference of the American Association for Applied Linguistics (AAAL), held on March 9-12, 2019, in Atlanta, Georgia, USA 
• [2018] Conference proceeding reviewer for The Seventh International Conference on Advancement of Development Administration (ICADA) 2018, organized by National Institute of Development Administration, Bangkok, Thailand, on May 31- June, 2, 2018
• [2017] Research abstract reviewer for the 2018 Conference of the American Association for Applied Linguistics (AAAL), held on March 18-21, 2018, in Portland, Oregon, USA 
• [2017] Reviewer of research abstracts and proceedings for the 2017 International Conference on Language and Communication (ICLC), organized by Graduate School of Language and Communication, National Institute of Development Administration, Bangkok, Thailand, on November 30 - December 1, 2017
• [2015] Ad hoc reviewer of manuscripts submitted for publication in volume 99 of Modern Language Journal.

Others

• [2011-2013] English test item writer for Chulalongkorn University Academic Testing Center, Thailand
• [2011-2013] Translator for Academic Services Center, Chulalongkorn University Language Institute, Thailand
• [2010-2012] English instructor for Government Personnel Development Center and Academic Services Center, Chulalongkorn University Language Institute, Thailand