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Member, Editorial Board, Journal of Zhejiang University - SCIENCE A (2018 - present)
- Member, Committee on Design Approval for Tall Buildings and Base-isolated Buildings, Building Center of Japan (2018 - present)
- Member, Editorial Advisory Board, The Handbook of Non-synoptic Wind Storms Hazards, Oxford University Press (2017 - present)
- Chairman, Tornado Intensity Evaluation Committee, Japan Meteorological Agency, Japan (2013 - present) <Establishment of Japanese Enhanced Fujita Scale, December 21, 2015>
- Member, International Editorial Board, The International Journal “The Structural Design of Tall and Special Buildings” (2011 - present)
- Chairman, International Thematic Group for Wind-Related Disaster Risk Reduction (IG-WRDRR), United Nations International Strategy for Disaster Reduction (UN/ISDR) (2009 - present)
- President, International Association for Wind Engineering (2007 - 2015)
- Member, Executive Board, World Wind Energy Association (2007 - 2015)
- Assessor, Natural Sciences and Engineering Research Council of Canada, (2005 - present)
- Member, SEI Technical Activities Division Wind Effects Committee, ASCE, USA (2004 - 2010)
- President, Japan Association for Wind Engineering (2004 - 2008)
- Member, International Editorial Board, Journal of Wind and Engineering (2004 - present)
- Member, Tall Buildings Committee, ASCE, USA (2003 - 2009)
- Member, International Editorial Board, Advances in Structural Engineering (2003 - present)
- Chairman, Committee on Wind Loading, Architectural Institute of Japan (2002 - 2008)
- Member, Aerodynamics Committee, ASCE, USA (2002 - 2008)
- Chairman, Editorial Board, Journal of Wind Engineering, Japan Association for Wind Engineering (JAWE) (2000 - 2002)
- Chairman, Committee on AIJ Prize, Social Contribution Section, Architectural Institute of Japan (2000-2002)
- Convener, Working Group E (Dynamic Responses) on Codification, International Association for Wind Engineering (1999 - 2005)
- Member, Committee on Intelligent Structural System, US-Japan Joint Research Project, Building Research Institute, Ministry of Construction (1999 - 2001)
- Member, International Advisory Committee. International Symposium on Wind and Structures for the 21st Century, Korea, 2000 (1999-2000)
- Member, Committee on Wind Resistant Design of Power Transmission Towers, Association of Electric Power Industry (1999-2000)
- Member, Committee on ISO TC98, Institute of International Harmonization for Building and Housing, Japan, (1998 - present)
- Assessor, University Grants Committee, Hong Kong (1998 - present)
- Chairman, Committee on Wind Load Provisions, Building Standard Law of Japan, Ministry of Construction (1998-2000)
- Member, International Editorial Board, Wind & Structures, Techno-Press, Korea (1998 - present)
- Assessor, Australian Research Council, Australia (1998 - present)
- Member, Task Committee E, US-Japan Panel on Wind and Seismic Effects, US - Japan Conference on Development and Utilization of Natural Resources (1997- present)
- Member, Advisory Board, Structural Dynamic Research Center, City University of Hong Kong, Hong Kong (1997 - 2000)
- Member, Executive Board, Japan Association for Wind Engineering (1996 - present)
- Member, Working Group supporting TG1, APEC / SCSC (1996 - 2003)
- Guest Editor, The Journal of Wind Engineering and Industrial Aerodynamics, Special Issue, 1996
- Member, Task Committee on Structural Damping Systems, ASCE, US (1995-1997 )
- Chairman, IWEF Meeting on Structural Damping, 1995
- Chairman, Committee on Damping in Buildings, Architectural Institute of Japan (1994-2000)
- Member, Subcommittee on Wind-Induced Motion Perception Criteria for Tall Buildings, American Society of Civil Engineers (ASCE), US (1992-1998)
- Member, Committee on Monograph, Motion Perception, Council of Tall Buildings and Urban Habitat (1992-1994)
- Member, Committee on Design Approval for Steel Buildings, Building Center of Japan (1989 - present)