- 2008/09 - 現在 International Academy for Intercultural Research President-Elect (2019-2021), Fellow & Board member (2013-present), Outstanding Book Award Committee (2013-15), Outstanding Dissertation Award Committee (2015-17), Scientific Committee (2016-17, 2018-19), Fellows Day Organizer (2017, 2019)
- 2008/09 - 現在 International Academy for Intercultural Research President-Elect (2019-2021), Fellow & Board member (2013-present), Outstanding Book Award Committee (2013-15), Outstanding Dissertation Award Committee (2015-17), Scientific Committee (2016-17, 2018-19), Fellows Day Organizer (2017, 2019)
- 2008/09 - 現在 International Academy for Intercultural Research Past President (2023-present), President (2021-2023), President-Elect (2019-2021), Fellow & Board member (2013-present), Outstanding Book Award Committee (2013-15), Outstanding Dissertation Award Committee (2015-17), Scientific Committee (2016-present), Fellows Day Organizer (2017, 2019, 2022, 2023)
- 2008/09 - 現在 International Academy for Intercultural Research President (2021-present), President-Elect (2019-2021), Fellow & Board member (2013-present), Outstanding Book Award Committee (2013-15), Outstanding Dissertation Award Committee (2015-17), Scientific Committee (2016-17, 2018-19, 2021-22, 2023), Fellows Day Organizer (2017, 2019, 2022, 2023)
- 2008/09 - 現在 International Academy for Intercultural Research President (2021-present), President-Elect (2019-2021), Fellow & Board member (2013-present), Outstanding Book Award Committee (2013-15), Outstanding Dissertation Award Committee (2015-17), Scientific Committee (2016-17, 2018-19, 2021-22), Fellows Day Organizer (2017, 2019, 2022)
- 2008/09 - 現在 International Academy for Intercultural Research President (2021-present), President-Elect (2019-2021), Fellow & Board member (2013-present), Outstanding Book Award Committee (2013-15), Outstanding Dissertation Award Committee (2015-17), Scientific Committee (2016-17, 2018-19, 2021-22), Fellows Day Organizer (2017, 2019, 2022)
- 1998/04 - 現在 SIETAR Japan (Society for Intercultural Education, Training, and Research) SIETAR Japan Journal Committee, assistant editor for Journal of Intercultural Communication (2014-2016), SIETAR Japan Conference Steering Committee (for conferences held in 2006 & 2009)
- 1998/04/01 - 現在 異文化コミュニケーション学会 年次大会運営委員(2006年及び2009年) ジャーナル編集委員会委員(2014年~2016年)
- 1998/09/01 - 2009/03/31 日本国際教育学会 ジャーナル編集者(2000年~2002年) 理事、ジャーナル副編集長 (2002年~2004年)
- 1998/09 - 2009/03 Japanese International Education Society Member of Board of Directors (July, 2002-July, 2004), Assistant Editor, Journal of International Education (July, 2002-July, 2004), Editorial Board for Journal of International Education (July, 2000-June, 2002)