Hiroe is also the leader of EI-PLAY (a volunteer group that is affiliated to the Social Welfare Council of Sōja City, Okayama), a school and after school tutorial English teacher in Sōja City, Okayama, and a volunteer guide for the Kibiji district project in Okayama, Japan
A Trustee of Te Ara Koiora (a charitable trust in New Zealand), a PhD candidate of University of Canterbury in Māori and Indigenous Studies and a guest associate professor of Okayama Prefectural University
Head of College of General Education and a professor of Okayama Prefectural University in Faculty of Computer Science and Sysptems Engineering, School of Information and Communication Engineering - OPU Applied Physics Laboratory page