2022/12 - Today Present Member of Public Private Partnership Evaluation Committee, Yokohama City
2022/08 - Today Official of Statistical Quality Improvement at MLIT, Ministry of Land, Infrastructure, Transport and Tourism
2022/04 - Today Present Member of Board of Directors of Japan Land and Environment Institute
2017/11 - Today Member of Building Code Council, Chiba Prefecture
2012/07 - Today Member of Environmental Impact Assessment Committee, Koto City
2011/06 - Today Member of Environment Council, Koto City
2024/05 -2025/03 Present Member for Structuring Master Concepts for New City Hall Committee, Koto City
2023/01 -2025/03 Present Member of Statistical Survey Committee, Kanagawa Prefecture
2023/01 -2024/03 Member of Advisory Board for City Hall Renewal Committee, Saitama City
2014/04 -2022/03 Japan Land and Environmental Institute Member of the exective committee of Japan Land and Environmental Institute
2021/04 -2021/07 Member of the Panel for General Waste Management of the Environment Council, Koto City
2019/10 -2021/02 Member of Advisory Board for New Government Building of the Cabinet Office, Ministry of Land, Infrastructure, Transport and Tourism
2019/12 -2020/11 Certified Public Accountant (CPA) Examiner, Certified Public Accounting and Auditing Oversight Board, Financial Services Agency
2020/07 -2020/08 Member of the Panel for the Renewal of the Environmental Plan towards Environment-Friendly City Planning for the Environment Council, Koto City
2006/06 -2020/03 Member of Building Code Council, Sakura City
2017/04 -2018/03 Member of Compensation Standard Council, Ministry of Land, Infrastructure, Transport and Tourism, Kanto Regional Development Bureau
-2017/03 Member of Research Committee on Business Compensation for a Golf Course, Ministry of Land, Infrastructure, Transport and Tourism, Kanto Regional Development Bureau
-2017/03 Member of Research Committee on Business Compensation Standard for Tokyo 2020 Games, The Tokyo Organizing Committee of the Olympic and Paralympic Games
-2017/03 Member of the editorial board of the Journal of Japan Land and Environmental Institute (in Japanese)
-2016/12 Member of Research Committee on Rule No. 42 of Land Compensation Standard, Ministry of Land, Infrastructure, Transport and Tourism
-2016/07 Member of the Panel for General Waste Management of the Environment Council, Koto City
-2015/03 Member of Land Price Investigation Committee, Kanagawa Prefecture
-2015/02 Member of Building Code Council, Kanagawa Prefecture
-2013/03 Member of Building Administration Systems Promotion Committee, Chiba Prefecture
-2012/02 Member of Screening Committee on Public Property Management, Fujisawa City
-2012/02 Member of Advisory Committee on Public Property Management, Fujisawa City
-2012/02 Member of Screening Committee on Public Private Partnership, Fujisawa City
-2012/02 Member of PPP Promotion Committee, Fujisawa City
2011/04 -2011/08 Member of the Panel for General Waste Management of the Environment Council, Koto City
-2010/03 Member of Preparatory Committee on Public Private Partnership, Fujisawa City
-2010/03 Member of Awards Committee of Japan Land and Environment Institute
-2009/04 Member of Advisory Committee on City Hall Renewal, Yokohama City
-2008/11 Member of Screening Committee on City Hall Renewal, Yokohama City
-2008/03 Member of Research Committee on Compensation for Business and Customers Japan, Organization for Land Acquisition and Compensation
-2007/03 Member of Research Committee on Compensation for Business Japan, Organization for Land Acquisition and Compensation
-2001/12 Member of Executive Committee of 6th Asian Real Estate Society Annual Conference in Tokyo