https://publons.com/researcher/1431544/tomofumi-oka/
Editorial board member:
Qualitative Social Work(2001-present, Sage)
The Qualitative Report(2005-present, Nova Southeastern University)
International Journal of Self-Help and Self Care (2010-2014, Baywood)
Voluntaristics Review Brill Research Perspectives (2017-present, Brill)
Society (an active reviewer, 2019.05-2020.04, Universitas Bangka Belitung, accredited by the Ministry of Research, Technology and Higher Education of the Republic of Indonesia)