Academic Societies
2021- TACTYC (Association for Professional Development in Early Years): Member
2016- United Kingdom Literacy Association: Member / Early Years Literacy in Education SIG (2019-)/ Participatory Approaches in Literacy Research SIG (2021-) / 'Literacy'(Online ISSN:1741-4369 / Print ISSN:1741-4350); Editorial board member (2023-)
2012- American Psychological Association: International Affiliate
1999- Japan Society of Research on Early Childhood Care and Education: Member
1997- Japanese Association of Educational Psychology: Member
1997- Japan Society of Developmental Psychology: Member/International Research Committee (2022-)
1997- Japanese Research Association of Psychological Science: Member/Executive Director (2013-2021)