- 2024/08 - 2025/08 Japanese Journal of Special Education An Editor of Journal of Special Education Research
- 2024/04 - 2025/03 Onomichi Special Needs School A Member of Management Committee for Onomichi Special Needs School
- 2024/04 - 2025/03 Hiroshima South Special Needs School (School for the Deaf) A Member of Management Committee for Hiroshima South Special Needs School (School for the Deaf)
- 2024/04 - 2025/03 The Japanese Society of of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2024/04 - 2025/03 The Japanese Society of of Hearing and Language Disorders A Director of The Japanese Journal of Hearing and Language Disorders
- 2024/04 - 2025/03 The Japanese Association of Educational Audiology, Chugoku region Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2024/04 - 2025/03 The Japanese Society of of Hearing and Language Disorders A head of the secretariat of The Japanese Journal of Hearing and Language Disorders
- 2023/08 - 2024/08 Japanese Journal of Special Education An Editor of Japanese Journal of Special Education
- 2023/08 - 2024/08 Japanese Journal of Special Education An Editor of Journal of Special Education Research
- 2023/04 - 2024/03 The Japanese Society of of Hearing and Language Disorders A Standing General Affairs Committee Member of The Japanese Society of of Hearing and Language Disorders
- 2023/04 - 2024/03 The Japanese Society of of Hearing and Language Disorders A Committee Member of The Japanese Society of of Hearing and Language Disorders
- 2023/04 - 2024/03 Hiroshima South Special Needs School (School for the Deaf) A Member of Management Committee for Hiroshima South Special Needs School (School for the Deaf)
- 2023/04 - 2024/03 The Japanese Society of of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2023/04 - 2024/03 Onomichi Special Needs School A Member of Management Committee for Onomichi Special Needs School
- 2023/04 - 2024/03 The Japanese Association of Educational Audiology, Chugoku region Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2023/04 - 2024/03 The Japanese Society of of Hearing and Language Disorders A head of the secretariat of The Japanese Journal of Hearing and Language Disorders
- 2023/04 - 2024/03 The Japanese Society of of Hearing and Language Disorders A Director of The Japanese Journal of Hearing and Language Disorders
- 2022/08 - 2023/08 Japanese Journal of Special Education An Editor of Journal of Special Education Research
- 2022/08 - 2023/08 Japanese Journal of Special Education An Editor of Japanese Journal of Special Education
- 2022/04 - 2023/03 The Japanese Society of of Hearing and Language Disorders A Standing General Affairs Committee Member of The Japanese Society of of Hearing and Language Disorders
- 2022/04 - 2023/03 The Japanese Society of of Hearing and Language Disorders A Committee Member of The Japanese Society of of Hearing and Language Disorders
- 2022/04 - 2023/03 The Japanese Society of of Hearing and Language Disorders A head of the secretariat of The Japanese Journal of Hearing and Language Disorders
- 2022/04 - 2023/03 The Japanese Society of of Hearing and Language Disorders A Director of The Japanese Journal of Hearing and Language Disorders
- 2022/04 - 2023/03 The Japanese Society of of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2022/04 - 2023/03 The Japanese Association of Educational Audiology, Chugoku region Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2022/04 - 2023/03 Hiroshima South Special Needs School (School for the Deaf) A Member of Management Committee for Hiroshima South Special Needs School (School for the Deaf)
- 2022/04 - 2023/03 Onomichi Special Needs School A Member of Management Committee for Onomichi Special Needs School
- 2021/08 - 2022/08 Japanese Journal of Special Education An Editor of Japanese Journal of Special Education
- 2021/08 - 2022/08 Japanese Journal of Special Education An Editor of Journal of Special Education Research
- 2021/04 - 2022/03 Hiroshima South Special Needs School (School for the Deaf) A Member of Management Committee for Hiroshima South Special Needs School (School for the Deaf)
- 2021/04 - 2022/03 The Japanese Society of of Hearing and Language Disorders A Director of The Japanese Society of of Hearing and Language Disorders
- 2021/04 - 2022/03 The Japanese Society of of Hearing and Language Disorders An Associate Chief Editor of The Japanese Journal of Hearing and Language Disorders
- 2021/04 - 2022/03 Onomichi Special Needs School A Member of Management Committee for Onomichi Special Needs School
- 2021/04 - 2022/03 The Japanese Association of Educational Audiology, Chugoku region Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2020/08 - 2021/08 Japanese Journal of Special Education An Editor of Journal of Special Education Research
- 2020/08 - 2021/08 Japanese Journal of Special Education An Editor of Japanese Journal of Special Education
- 2020/05 - 2021/04 Onomichi Special Needs School A Member of Management Meeting for Onomichi Special Needs School
- 2020/04 - 2021/03 The Japanese Society of of Hearing and Language Disorders A Director of The Japanese Journal of Hearing and Language Disorders
- 2020/04 - 2021/03 Japan Association of Universities of Education A Director of Japan Association of Universities of Education
- 2020/04 - 2021/03 The Japanese Society of Hearing and Language Disorders An Associate Chief Editor of The Japanese Journal of Hearing and Language Disorders
- 2020/04 - 2021/03 The Japanese Society of of Hearing and Language Disorders A Chairperson of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2020/04 - 2021/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2019/05 - 2020/04 Onomichi Special Needs School A Member of Management Meeting for Onomichi Special Needs School
- 2019/04/01 - 2020/03/31 The Japanese Society of Hearing and Language Disorders An Associate Chief Editor of The Japanese Journal of Hearing and Language Disorders
- 2019/04/01 - 2020/03/31 The Japanese Society of of Hearing and Language Disorders A Chairperson of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2019/04/01 - 2020/03/31 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2019/04/01 - 2020/03/31 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2019/04 - 2020/03 Japan Association of Universities of Education A Director of Japan Association of Universities of Education
- 2019/04 - 2020/03 The Japanese Society of Hearing and Language Disorders An Associate Chief Editor of The Japanese Journal of Hearing and Language Disorders
- 2019/04 - 2020/03 The Japanese Society of of Hearing and Language Disorders A Chairperson of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2019/04 - 2020/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2019/04 - 2020/03 The Japanese Society of of Hearing and Language Disorders A Director of The Japanese Journal of Hearing and Language Disorders
- 2018/01 - 2019/12 The Japanese Association of Special Education A Member of Accessibility Committee in The Japanese Association of Special Education
- 2018/04/01 - 2019/03/31 The Japanese Society of Hearing and Language Disorders An Associate Chief Editor of The Japanese Journal of Hearing and Language Disorders
- 2018/04/01 - 2019/03/31 The Japanese Society of of Hearing and Language Disorders A Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2018/04/01 - 2019/03/31 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2018/04 - 2019/03 Japan Association of Universities of Education Director of Japan Association of Universities of Education
- 2018/04 - 2019/03 The Japanese Society of Hearing and Language Disorders An Associate Chief Editor of The Japanese Journal of Hearing and Language Disorders
- 2018/04 - 2019/03 The Japanese Society of of Hearing and Language Disorders A Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2018/04 - 2019/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2018/04 - 2019/03 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2017/08/01 - 2018/09/30 The International Cluttering Association (ICA), International Fluency Association (IFA), International Stuttering Association (ISA), The Japan Society of Stuttering and Other Fluency Disorders, and The Japanese Stuttering Genyukai Organization A Member ofPreparation Committee of World Congress "One World, Many Voices: Science and Community"
- 2017/08 - 2018/09 The International Cluttering Association (ICA), International Fluency Association (IFA), International Stuttering Association (ISA), The Japan Society of Stuttering and Other Fluency Disorders, and The Japanese Stuttering Genyukai Organization A Member of Preparation Committee of World Congress "One World, Many Voices: Science and Community"
- 2017/04/01 - 2018/03/31 The Japanese Society of of Hearing and Language Disorders A Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2017/04/01 - 2018/03/31 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2017/04 - 2018/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2017/04 - 2018/03 Japan Association of Universities of Education A Director of Japan Association of Universities of Education
- 2017/04 - 2018/03 The Japanese Society of Hearing and Language Disorders Editor of The Japanese Journal of Hearing and Language Disorders
- 2017/04 - 2018/03 The Japanese Society of Hearing and Language Disorders Editor of The Japanese Journal of Hearing and Language Disorders
- 2017/04 - 2018/03 The Japanese Society of of Hearing and Language Disorders A Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2017/04 - 2018/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2017/04 - 2018/03 中国教育オージオロジー研究協議会 平成29年度 中国教育オージオロジー研究協議会顧問
- 2017/04 - 2018/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2017/04 - 2018/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2017/04 - 2018/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2017/04 - 2018/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2016/04/01 - 2017/03/31 The Japanese Society of of Hearing and Language Disorders A Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2016/04/01 - 2017/03/31 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2016/04 - 2017/03 Japan Association of Universities of Education A Director of Japan Association of Universities of Education
- 2016/04 - 2017/03 The Japanese Society of Hearing and Language Disorders Editor of The Japanese Journal of Hearing and Language Disorders
- 2016/04 - 2017/03 The Japanese Society of Hearing and Language Disorders Editor of The Japanese Journal of Hearing and Language Disorders
- 2016/04 - 2017/03 The Japanese Society of of Hearing and Language Disorders A Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2016/04 - 2017/03 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2016/04 - 2017/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2016/04 - 2017/03 中国教育オージオロジー研究協議会 平成28年度 中国教育オージオロジー研究協議会顧問
- 2016/04 - 2017/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2016/04 - 2017/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2016/04 - 2017/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2016/04 - 2017/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2015/04/01 - 2016/03/31 The Japanese Society of of Hearing and Language Disorders Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2015/04/01 - 2016/03/31 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2015/04 - 2016/03 Japan Association of Universities of Education A Director of Japan Association of Universities of Education
- 2015/04 - 2016/03 The Japanese Society of Hearing and Language Disorders A Editor of The Japanese Journal of Hearing and Language Disorders
- 2015/04 - 2016/03 The Japanese Society of Hearing and Language Disorders A Editor of The Japanese Journal of Hearing and Language Disorders
- 2015/04 - 2016/03 The Japanese Society of of Hearing and Language Disorders Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2015/04 - 2016/03 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2015/04 - 2016/03 広島大学 平成27年度 発達障害に関する教職員育成プログラム開発事業学内企画委員会
- 2015/04 - 2016/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2015/04 - 2016/03 中国教育オージオロジー研究協議会 中国教育オージオロジー研究協議会顧問
- 2015/04 - 2016/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2015/04 - 2016/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2015/04 - 2016/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2015/04 - 2016/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2014/04/01 - 2015/03/31 The Japanese Society of of Hearing and Language Disorders A Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2014/04/01 - 2015/03/31 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2014/04 - 2015/03 広島大学 平成26年度 発達障害に関する教職員育成プログラム開発事業学内企画委員会
- 2014/04 - 2015/03 Japan Association of Universities of Education A Director of Japan Association of Universities of Education
- 2014/04 - 2015/03 The Japanese Society of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2014/04 - 2015/03 The Japanese Society of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2014/04 - 2015/03 The Japanese Society of of Hearing and Language Disorders A Member of Ethics Committee of The Japanese Society of of Hearing and Language Disorders
- 2014/04 - 2015/03 The Japanese Society of Hearing and Language Disorders A Director of The Japanese Society of Hearing and Language Disorders
- 2014/04 - 2015/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2014/04 - 2015/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2014/04 - 2015/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2014/04 - 2015/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2014/04 - 2015/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2014/04 - 2015/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2013/04 - 2014/03 広島大学 平成25年度 発達障害に関する教職員育成プログラム開発事業学内企画委員会
- 2013/04 - 2014/03 The Japanese Society of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2013/04 - 2014/03 The Japanese Society of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2013/04 - 2014/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2013/04 - 2014/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2013/04 - 2014/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2013/04 - 2014/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2013/04 - 2014/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2013/04 - 2014/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2012/04 - 2014/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2012/04 - 2014/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2012/04 - 2013/03 The Japanese Society of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2012/04 - 2013/03 The Japanese Society of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2012/04 - 2013/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2012/04 - 2013/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2012/04 - 2013/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2012/04 - 2013/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2011/04 - 2012/03 The Japanese Society of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2011/04 - 2012/03 The Japanese Society of Hearing and Language Disorders An Editor of The Japanese Journal of Hearing and Language Disorders
- 2011/04 - 2012/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2011/04 - 2012/03 The Japanese Association of Educational Audiology, Chugoku region An Advisor to The Japanese Association of Educational Audiology, Chugoku region
- 2011/04 - 2012/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2011/04 - 2012/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2011/04 - 2012/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2011/04 - 2012/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2010/04 - 2011/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2010/04 - 2011/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2010/04 - 2011/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2010/04 - 2011/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2009/04 - 2010/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2009/04 - 2010/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2009/04 - 2010/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2009/04 - 2010/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2008/04 - 2009/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2008/04 - 2009/03 Onomichi Special Needs School A Member of Evaluation Committee for Onomichi Special Needs School
- 2008/04 - 2009/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan
- 2008/04 - 2009/03 The Postsecondary Education Programs Network of Japan A Committee Member of The Postsecondary Education Programs Network of Japan