- 2023/03 - 現在 Hiroshima University The Institute for Diversity & Inclusion Professor
- 2024/04/01 - Hiroshima University Management Division, The Institute for Diversity & Inclusion Director
- 2024/04/01 - Hiroshima University Well-being Promotion Office, The Institute for Diversity & Inclusion Director
- 2023/04/01 - 2024/03/31 Hiroshima University The Center for Special Needs Education Research and Practice, The Institute for Diversity & Inclusion Director
- 2021/04/01 - 2024/03/31 Hiroshima University International Affairs Office Deputy Executive Director (Campus Globalization)
- 2020/04/01 - 2024/03/31 Hiroshima University The Center for Special Needs Education Research and Practice, Graduate School of Humanities and Social Sciences Director
- 2023/04/01 - Hiroshima University Educational Design for Teacher Educators Program, Division of Educational Sciences, Graduate School of Humanities and Social Sciences Professor
- 2023/04/01 - Hiroshima University International Education Development Program, Division of Educational Sciences, Graduate School of Humanities and Social Sciences Professor
- 2023/04/01 - Hiroshima University The Institute for Diversity & Inclusion Professor
- 2022/04/01 - 2023/03/31 Hiroshima University International Center Director
- 2020/04/01 - 2023/03/31 Hiroshima University Educational Design for Teacher Educators Program, Division of Educational Sciences, Graduate School of Humanities and Social Sciences Professor
- 2020/04 - 2023/03 Hiroshima University Educational Design for Teacher Educators Program, International Education Development Program, Division of Educational Sciences, Graduate School of Humanities and Social Sciences Professor
- 2014/04/01 - 2020/03/31 Hiroshima University Department of Educational Development and Curtural and Regional Studies Professor
- 2013/10/01 - 2020/03/31 Hiroshima University The Center for Special Education Research and Practice Professor
- 2014/04/01 - 2019/03/31 Hiroshima University The Center for Special Needs Education Research and Practice, Graduate School of Education Director
- 2011/04/01 - 2013/09/30 Hiroshima University The Center for Special Education Research and Practice Associate Professor
- 2011/03/28 - 2011/09/04 University of Nebraska-Lincoln Department of Speech-Language Pathology and Audiology Visiting Professor
- 2008/04/01 - 2011/03/31 Hiroshima University The Center for Special Education Research and Practice Associate Professor
- 2007/10/01 - 2008/03/31 Hiroshima University The Center for Special Education Research and Practice Associate Professor
- 2003/08/13 - 2007/08/31 University of Nebraska-Lincoln Department of Speech-Language Pathology and Audiology/Speech-Language and Hearing Clinic Research Assistant
- 2002/08/14 - 2003/06/30 Adams County School District No. 50 (Colorado, U.S.A.) Speech-Language Pathologist
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Research Society of the Education for the Deaf in Japan
, The Acoustical Society of America (ASA)
, American Speech-Language-Hearing Association (ASHA)
, The Council for Exceptional Children (CEC)
, Japanese Association of Logopedics and Phoniatrics
, Japanese Association of Qualitative Psychology
, 日本職業リハビリテーション学会
, The Japanese Association of Speech, Language and Hearing Disorders
, The Japanese Association for the Study of Support System for Developmental Disabilities
, 日本発達障害学会
, Japanese Association of Developmental Psychology
, Japanese Association of Special Education
, 日本吃音・流暢性障害学会
, Japanese Association of Communication Disorders
, International Association of Logopedics en Phoniatrics (IALP)
, International Fluency Association (IFA)
, International Society for Augmentative and Alternative Communication (ISAAC)