- July–Sep. 2023: Doctoral dissertation committee member, University of Tsukuba.
- 2023–present: Member, Subcommitee of Mollusca, Red Data Book of Okinawa Prefecture, Okinawa Prefectural Government, Japan
- 2022 (May)–present: Vice Editor, "Paleontological Research," The Palaeontological Society of Japan
- 2018–present: Associate editor, "Molluscan Research," Malacological Society of Australasia/The Society for the Study of Molluscan Diversity
- 2018–present: Committee Member, Disaster Museums Rescue Committee, The Paleontological Society of Japan
- 2018–present: Research Associate, Geology and Paleontology Division, National Museum of the Philippines.
- 2017–present: Committee Member, Diversity Conservation Committee, Malacological Society of Japan
- 2017–present: Committee Member, Japan Academic Network for Disaster Reduction ( as representative of the Palaeontological Society of Japan).
- 2015–present: Endangered species conservation promotor, Ministry of the Environment, Japan
- 2019–2023 (June): Auditor, The Palaeontological Society of Japan
- Feb.–March 2023: Temporal member, Collection evaluation committee, Ibaraki Nature Museum.
- FY 2023: Doctoral dissertation committee member, Graduate School of Environmental Science, Hokkaido University.
- 2014–2016: Committee member, Committee on revision of the threatened wild animals in Ibaraki, Ibaraki Prefectural Government, Japan
- 2013–2016: Associate editor, "Chiribotan," Malacological Society of Japan
- 2013–present: Associate editor, "Venus," Malacological Society of Japan
- 2012–2013: Committee member, Future Planning Committee, Malacological Society of Japan
- 2011–present: Councilor, Malacological Society of Japan