- 2024/11 - 現在 Tokyo Labour Bureau Fiscal Year 2024 Member of Tokyo Regional Vocational Ability Development Promotion Council
- 2024/06 - 現在 Women's Colleges(KNFSM)Management Skills Basic Program (Introductory Management Course) Program Planning Committee Member
- 2024 - 現在 The Association for Promoting Female Recurrent Education President
- 2023/06 - 現在 Bunkyo Academy Foundation Councilor
- 2022/11 - 現在 The Tokyo Chamber of Commerce and Industry The Education and Human Resources Training Committee
- 2022/04 - 現在 Japan Women's University Lifelong Learning Center Director
- 2021/04 - 現在 The English Linguistic Society of Japan Board of Councilors
- 2019 - 現在 Spoken Discourse Linguistics Workshop Operation Executive Committee
- 2023/06 - 2024/03 Women's Colleges(KNF)Management Skills Basic Program (Introductory Management Course) Program Planning Committee Member
- 2023/04 - 2024/03 The Association for Promoting Female Recurrent Education Vice President
- 2021/04 - 2023/03 Japan Women's University Lifelong Learning Center, The Recurrent Education Program Chief
- 2022/04 - 2022/10 The Tokyo Chamber of Commerce and Industry The Education and Human Resources Training Committee, Scholarly Committee
- 2018/12 - 2021/11 The English Linguistic Society of Japan The Conference Organizing Committee
- 1996 - 2004 University of California, Santa Barbara, Department of Linguistics, Graduate Student Workshop of East Asian Linguistics The Workshop Working Committee
- 2001 - 2002 Japanese/Korean Linguistics Conference (JK) The Eleventh Japanese/Korean Linguistics Conference Working Committee
- 2001 - 2002 Language, Interaction, and Social Organization (LISO) The Seventh Language, Interaction, and Social Organization Conference (LISO at the University of California, Santa Barbara) Working Committee
- 2001 - 2002 The International Cognitive Linguistics Conference (ICLC) The Seventh International Cognitive Linguistics Conference Working Committee
- 1998 - 1999 University of California, Santa Barbara, Department of Linguistics, Graduate Student Workshop of East Asian Linguistics The Chair of The Sixth Workshop Working Committee
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The Japan Society of Transportation Economics
, Japan Foundation for International Tourism
, Spoken Discourse Linguistics Workshop
, Human Linguistics Circle
, International Pragmatics Association
, The Japanese Cognitive Linguistics Association
, The Japanese Association of Sociolinguistic Sciences
, The Pragmatics Society of Japan
, The English Linguistic Society of Japan
, The Linguistic Society of Japan
, Mejiro Linguistic Society
, The Japan Association of College English Teachers
, American Anthropological Association
, National Council of Japanese Language Teachers
, North Carolina Association of Teachers of Japanese
, Graduate Student Workshop of East Asian Linguistics
, Linguistic Society of America