Editor is member of:
- American Society of Civil Engineers
- Coastal Education and Research Foundation
- Japanese Society of Civil Engineers
- Japanese Association for Coastal Studies
- Japanese Geomorphologic Union
Editor is active (board) member of:
- Intergovernmental Panel on Climate Change
- International EMECS Center
- Asia-Pacific Network for Global Change Research
- Mitigation and Adaptation Strategy for Global Change
- Global Environmental Change
- Journal of Coastal Change
- Journal of Global Environmental Engineering
