- Introduction to Intercultural Communication I - II (Otaru University of Commerce (Modern Commerce major))
- English Language Teaching III (Otaru University of Commerce (English major))
- Thesis Supervision (Otaru University of Commerce)
- Cultural Studies I & IV (Otaru University of Commerce (English major))
- English Communication I & III - IV (Otaru University of Commerce (English major))
- English IB - IIA/IIB (Otaru University of Commerce)
- English in Global Contexts (Tamagawa University's College of Humanities)
- ELF201-202 (EAP Lower-Intermediate) (Tamagawa University)
- Intensive English B (Tamagawa University's College of Agriculture)
- ELF401-402 (EAP Advanced) (Tamagawa University)
- ELF101-102 (EAP Elementary) (Tamagawa University)
- ELF301-302 (EAP Intermediate) (Tamagawa University)
- ELF101 (EAP Elementary) for Grade 12 students (Tamagawa Academy)
- Qualitative research methods in language education II-1, II-2 (Waseda University's Gradate School of Education)
- Summar Seminar for Grade 12 students (Tamagawa Academy)
- Selected Topics in Sociolinguistics (Waseda University's School of International Liberal Studies)
- Summar Reading Seminar for Grade 12 students (Tamagawa Academy)
- English in a Multilingual World (Kanda University of International Studies)
- Intercultural Communication (International collaborative course) (Waseda University's School of Education)
- General English III - IV (Short stories and psychology) (Shirayuri University's Faculty of Human Studies)
- General English Ⅰ - Ⅱ (TED talks) (Shirayuri University's Faculty of Human Studies)
- English Comprehension (Culture) - Intermediate I - II (Waseda University's School of Education)
- English Comprehension (Current Issues) - Elementary I - II (Waseda University's School of Education)
- Communicative Writing Ⅰ - Ⅱ (Waseda University's School of Education)
2024/04 - Today Otaru University of Commerce Public Relations Committee Center for Language Studies representative
2024/04 - Today Otaru University of Commerce Center for Glocal Strategy (CGS) Research Support Division
2024/04 - Today Otaru University of Commerce Center for Glocal Strategy (CGS) Glocal Education Division Exchange Program Coordinator
2023/06 - Today Otaru University of Commerce New 'Evening Course' Program Working Committee Center for Language Studies representative
2023/04 - Today Otaru University of Commerce Center for Glocal Strategy (CGS) Glocal Education Division Global Education Working Group Center for Language Studies representative
2021/04 - Today JACET Chair, Division 4 (Academic Affairs Committee); Executive Committee Member
2023/04 -2024/03 Otaru University of Commerce Center for Glocal Strategy (CGS) Glocal Education Division Steering Committee
2020/04 -2024/03 JACET Special Interest Group on ELF Steering Committee (and Subcommittees) 1. International Convention liaison (April 2020 to March 2024)
2. International Workshop events (April 2019 to August 2022)
3. Member administration (April 2018 to March 2022)
4. Public relations (January 2017 to March 2020)
5. Accounting (January 2017 to March 2018)
2019/04 -2023/06 JACET Associate Chair, Seminar Committee (2019 JACET Joint Seminar Host Organizer)
2021/11 -2023/03 JACET JACET International Convention Organizing Committee (Liaison Coordinator)
2019/04 -2023/03 JACET Scientific Committee
2020/04 -2022/08 Tamagawa University Institutional Assessment Working Committee (Higher Education - ELF Program) Center for English as a Lingua Franca representative
2020/04 -2022/08 Tamagawa University University English Program Steering Committee Academic and Student Affairs Coordinator (April 2021 to August 2022)
2018/04 -2022/08 Tamagawa University Center for English as a Lingua Franca Subcommittees 1. Publications (April 2020 to August 2022)
2. Campus-wide TOEIC management (April 2020 to March 2021)
3. Public relations / 4. Open Campus events (April 2019 to August 2022)
5. Minutes translation (April 2019 to March 2020 and April 2021 to March 2022)
6. Curriculum development / 7. CELF-ELTama Forum events (April 2018 to August 2022)
2021/04 -2022/03 Tamagawa University New ELF Program Working Committee Center for English as a Lingua Franca representative
2018/04 -2022/03 Tamagawa Academy K-16 ELF Committee
2020/10 -2021/09 JACET JACET 60th Anniversary Commemoration Week Special Committee (Liaison Coordinator)
2019/04 -2021/03 JACET Academic Affairs Committee
2018/12 -2019/03 JAAL-in-JACET 1st JAAL-in-JACET Conference Organizing Committee
2017/04 -2019/03 JACET Seminar Committee (2017 Summer Seminar Associate Organizer)
2016/10 -2019/03 ELF Research Group Waseda Steering Committee
2013/04 -2016/03 University of Southampton's Centre for Global Englishes Seminar Leader
2023/07 - Today Advisor, Otaru University of Commerce Student Official Club/Circle ESS
2022/11 - Today Advisor, Otaru University of Commerce official club/circle INC
2023/06 -2023/06 Centre for Multilingualism with English, University of London, UK
2022/03 -2022/08 What is English as a Lingua Franca? (For continuing students)
2020/03 -2022/08 Psychology Module
2020/03 -2022/08 What is English as a Lingua Franca? (For first-year students)
2018/04 -2022/08 Tamagawa University student questionnaires
2021/04 -2022/03 New website: Tamagawa University's Center for English as a Lingua Franca
2019/04 -2020/03 Revised websites: Tamagawa University's Center for English as a Lingua Franca/Tamagawa K-12, University
2019/11 -2019/11 ELF module: What is ELF?
2019/11 -2019/11 ELF module: Psychology
2019/07 -2019/07 Trial lesson: An introduction to the psychology of thinking II
2019/06 -2019/06 Faculty Development 2019 - English as a Multilingua Franca awareness
2018/09 -2019/03 Waseda University's School of International Liberal Studies student questionnaire
2018/11 -2018/11 Students, be ambitious!: Positive mindset for your life-changing study abroad
2018/11 -2018/11 ELF module: What is ELF?
2018/07 -2018/07 Trial lesson: An introduction to the psychology of thinking I
2018/05 -2018/05 Research and enquiry in ELF; Translanguaging in ELF
2018/05 -2018/05 Current thinking and research in ELF
2017/04 -2018/03 Shirayuri University student questionnaires
2005/03 -2012/03 English teaching materials for Ichishin Wingnet
2003/03 -2012/02 Ichishin University-Prep School student questionnaires
2000/04 -2001/08 Sanaru Prep School in-service English teacher training
2000/04 -2001/08 English teaching materials for Sanaru Prep School
2000/03 -2001/08 Sanaru Prep School student questionnaires
2000/04 -2000/10 English teaching manuals for Sanaru Prep School