2023/12 - Today Working Group for Calculating the Scale of Barrier Free Toilets Chairman
2023/12 - Today City Planning Council of Niiza City Chairman
2023/04 - Today Subcommittee on modeling of Zero Water Building, Architectural Institute of Japan Chief Examiner
2022/10 - Today Committee on the Preparation of Documents for Building Equipment Design Standards (Mechanical Equipment), Public Building Association Chief Examiner
2022/06 - Today City Planning Council of Kawagoe City Member
2022/05 - Today The Society of Heating, Air-Conditioning and Sanitary Engineers of Japan Director
2022/03 - Today Environmental Council of Kawagoe City Chairman
2020/06 - Today Japanese Association of Building Mechanical and Electrical Engineers Vice President
2019/07 - Today “Aquatic Landscape Engineer” Qualification Examination and Certification Committee, Japan Aquatic Landscape Association Member
2015/04 - Today Specified Nonprofit Organization Kawagoe MASU Media Auditor
2014/06 - Today Specified Nonprofit Organization Kawagoe Satoyama Initiative Vice President
2014/04 - Today Satoyama Conservation Team of "Komorebi Forest" at Toyo University Kawagoe Campus Representative
2012/07 - Today Environmental Council of Tsurugashima City Chairman
2011/05 - Today Specified Nonprofit Organization Japan Society of Plumbing Engineers Vice President
2009/01 - Today Eco Stage Association Saitama Third Party Evaluation Committee Chairman
2007/01 - Today Liaison Meeting of Kawagoe City Naguwashi Park Chairman
2004/05 - Today Kawagoe Environmental Network (Kawagoe Kankyo Net) Chief Director
2019/04 -2023/03 Subcommittee on Evaluation Method of Zero Water Building, Architectural Institute of Japan Chief Examiner
2002/11 -2022/02 Environmental Council of Kawagoe City Member
2019/05 -2021/08 Committee on the Preparation of Documents for Building Equipment Design Standards (Mechanical Equipment), Public Building Association Chief Examiner
2018/05 -2021/05 Technical Committee of Plumbing System, The Society of Heating, Air-Conditioning and Sanitary Engineers of Japan Chairman
2018/06 -2020/05 Land Use Planning Council of Saitama Prefecture Chairman