- 2024/06 - 現在 Ministry of Land, Infrastructure, Transport and Tourism General (Road Bureau) Automated Driving Infrastructure Study Group, Member
- 2024/06 - 現在 Ministry of Land, Infrastructure, Transport and Tourism General (Civil Aviation Bureau) Technical Study Group on Productivity Improvement of Airport Ground Handling Operations, Member
- 2024/04 - 現在 East Nippon Expressway Company Limited Project Evaluation and Monitoring Committee, Member
- 2024/01 - 現在 Japan International Transport and Tourism Institute Committee for the analysis of the effects and impact of the introduction of automated driving in the field of transport and the study on the acceleration of its diffusion, member
- 2023/12 - 現在 Hanshin Expressway Company Study group on OD generation using human flow data, Committee member
- 2023/10 - 現在 Low Carbon Investment Promotion Agency Ministry of Land, Infrastructure, Transport and Tourism, SME Innovation Creation Promotion Project, External Evaluation Committee Member
- 2023/09 - 現在 EASTS-Japan Secretary General
- 2023/09 - 現在 Eastern Asia Society for Transportation Studies Treasurer
- 2023/06/01 - 現在 Japan Society for Civil Engineers Committee of Infrastructure Planning and Management, Secretary-General
- 2023/06/01 - 現在 Ministry of Land, Infrastructure, Transport and Tourism General (Road Bureau) Roundtable on OD Survey, Chairman
- 2023/05/01 - 現在 Japan Institute of Country-ology and Engineering Future Roads Council, Committee Member
- 2023/01/01 - 現在 Itabashi Ward of Tokyo Itabashi Ward Bicycle + Utilization Promotion Council, Committee Chair
- 2023/01/01 - 現在 Toyota Mobility Foundation Research Advisor to the Okinawa Car Rental Accident Prevention Project, Committee member
- 2022/12/01 - 現在 Reaearch Institute of Road and Street Near Future Road Policy Research Committee, Committee member
- 2022/07 - 現在 Express Highway Research Foundation of Japan Committee for Basic Research on Comprehensive Policies for Carbon Neutrality on Highways, Committee member
- 2022/06/01 - 現在 Okinawa Prefecture Okinawa Main Island South-Central Metropolitan Area Urban Transportation Council, Committee member
- 2022/04/01 - 現在 Japan Transport and Tourism Research Institute Steering Committee, Committee member
- 2022/01 - 現在 Ministry of Land, Infrastructure and Transport, Railway Bureau Study group on a new survey method for the actual situation of trunk line railway passenger flows, Member
- 2022/01/01 - 現在 Urban ReDesign Unit Secretary-General
- 2021/09/01 - 現在 Council on Transportation Planning for Tokyo Metropolitan Region Advisory Committee on Urban Freight Survey, Committee member / Sub-Committee for Freight Modeling, Chair
- 2021/06/01 - 現在 Japan Society for Civil Engineers Planning Committee, Secretary-General
- 2021/01 - 現在 International Journal of Intelligent Transportation Systems Research Editorial Board Member
- 2020/12/01 - 現在 Ministry of Land, Infrastructure, Transport and Tourism (Kanto Regional Development Bureau) Committee on Road Network Planning and Development in the Tokyo Metropolitan Region, Committee member
- 2020/09/01 - 現在 Ministry of Land, Infrastructure, Transport and Tourism (National Institute for Land and Infrastructure Management) Steering Committee on Infrastructure at ISO/TC204, Committee member
- 2020/01/01 - 現在 International Organization for Standardization TC204 (Intelligent Transport Systems) - WG19 (Mobility Integration), Committee member
- 2019/12/01 - 現在 Society of Automotive Engineers of Japan Technical Committee for Standardization of Intelligent Transport Systems (ITS), Committee member
- 2019/12/01 - 現在 Bureau of Transportation. Tokyo Metropolitan Government Study Session on Future Demand Forecasting Model Building, Committee member
- 2019/05/01 - 現在 Ota Ward of Tokyo Bicycle Utilization Promotion Committee, Sub-Committee Chair
- 2018/01/01 - 現在 Association for Planning and Transportation Studies Bulletin Editorial Committee, Committee Member
- 2018/01 - 現在 Japan Railway Construction, Transport and Technology Agency Study group on business evaluation of railroad projects, Chair and Committee member
- 2018/01/01 - 現在 Ministry of Land, Infrastructure, Transport and Tourism General (Road Bureau) Study Group on New Road Traffic Survey System Using ICT, Committee member
- 2017/03/01 - 現在 Ministry of Land, Infrastructure, Transport and Tourism (General Policy Bureau) Advisory Committee on Metropolitan Public Transportation Survey, Committee member / Working Group for Technical Advise, Committee member
- 2015/12/01 - 現在 Ministry of Land, Infrastructure, Transport and Tourism (Kanto Regional Development Bureau) Committee on the Strategic Research of Regional Road System (Kanto Region Sub-Committee), Committee Chair
- 2015/12/01 - 現在 Ministry of Land, Infrastructure, Transport and Tourism (Road Bureau) Advisory Committee on the Strategy of Road Infrastructure and Economic Development, Committee member
- 2015/09/01 - 現在 Kanagawa Prefecture City Planning Council, Committee member
- 2015/07/01 - 現在 Kawasaki City Public Works Evaluation and Review Committee, Committee member
- 2014/01 - 現在 Ministry of Land, Infrastructure, Transport and Tourism (General Policy Bureau) Study Committee and Executive Committee on Nationwide Passenger Flow Survey, Committee member/Chief Secretary
- 2012/11/01 - 現在 Hanshin Expressway Company Limited Committee on the Methodological Development for Evaluating Travel Time Reliability, Committee Member
- 2009/07/01 - 現在 Ota Ward of Tokyo Discussion session on bicycle and other parking measures, Sub-Committee Chair
- 2008/04/01 - 現在 Ministry of Land, Infrastructure, Transport and Tourism General (Road Bureau) Exchange of views on recent traffic issues and road services, Committee member
- 2002/01/01 - 現在 Eastern Asia Society for Transportation Studies Secretariat Office, Member
- 2020/11 - 2024/10 Ministry of Land, Infrastructure, Transport and Tourism General (Road Bureau) Committee on Advanced Road Technology, Committee member
- 2023/08 - 2024/03 Ministry of the Environment Project Verification and Evaluation Committee of the Transport Sector Decarbonisation Promotion Section, Committee member
- 2023/07 - 2024/03 Kanto Regional Development Bureau, Ministry of Land, Infrastructure and Transport Tama River Tunnel Ukishima Ramp Structure Study Group, Advisory member
- 2023/03 - 2024/03 Ministry of Land, Infrastructure, Transport and Tourism General (Road Bureau) Next Generation ITS Review Committee, Committee Member
- 2023/01 - 2024/03 Ministry of Land, Infrastructure, Transport and Tourism General (Port and Harbours Bureau) Next Generation High Standard Unit Load Terminal Study Group, Committee member
- 2023/01 - 2024/03 Ministry of Land, Infrastructure, Transport and Tourism General (Civil Aviation Bureau) Airport Technology Roundtable, Committee member
- 2022/07/01 - 2023/03/01 Ministry of Land, Infrastructure, Transport and Tourism (Kanto Regional Development Bureau) Utsunomiya National Highway Project and Policy Study Group, Committee member
- 2021/10/01 - 2023/03/01 Japan Transport and Tourism Research Institute Advisory Committee on Visioning Public Transportation System after the COVID-19 Pandemic, Committee member / Urban Transportation Sub-committee, Chair
- 2021/06 - 2023/03 Japan International Transport and Tourism Institute Committee on Rail Infrastructure and Urban Development, Committee member
- 2021/01/01 - 2023/03/01 Ministry of Land, Infrastructure, Transport and Tourism (Kanto Regional Development Bureau) Committee on Transportaton Node and Disaster Prevention Planning, Committee member
- 2015/12/01 - 2023/03/01 Cabinet Office Okinawa General Bureau Okinawa Subcommittee on the Strategy of Road Infrastructure and Economic Development, Observer
- 2018/01/01 - 2022/12/01 Japan Society of Traffic Engineers Academic Subcommittee 2, Committee Member
- 2021/12/01 - 2022/03/01 Okinawa Prefecture Advisory Committee on Travel Demand Management, Committee member
- 2021/11/01 - 2022/03/01 SB Energy Corporation Committee for the Study of Sector Coupling Type Business Model Using Battery-replaceable EVs and Renewable Energy, Committee member
- 2021/10/01 - 2022/03/01 Ministry of Environment Advisory Committee on the Decarbonized Society with Remotization, Committee member
- 2021/06/01 - 2022/03/01 Kanagawa Prefecture Committee on the 8th Re-Zoning for City Planning, Committee member
- 2021/03/01 - 2022/03/01 Itabashi Ward of Tokyo Committee on the Planning for Bicycle Use Promotion, Committee Chair
- 2019/05/01 - 2022/03/01 Ota Ward of Tokyo Committee on Bay Area Grand Vision Making, Committee member
- 2019/05/01 - 2022/03/01 Ota Ward of Tokyo Committee on the Revision of City Master Plan, Committee member
- 2018/04/01 - 2022/03/01 Ota Ward of Tokyo Menber of City Planning Council, Committee member
- 2021/07/01 - 2021/09/01 Ministry of Land, Infrastructure, Transport and Tourism (General Policy Bureau) Committee on the Passenger Demand Analysis Using Mobile-Phone Bigdata, Committee member
- 2020/09 - 2021/09 Ministry of Land, Infrastructure, Transport and Tourism General (Road Bureau) Busta Project Review and Promotion Committee, Committee member
- 2021/06/01 - 2021/07/01 Ministry of Land, Infrastructure, Transport and Tourism (Kanto Regional Development Bureau) Advisory Committee on Road Planning, Committee member
- 2020/07/01 - 2021/05/01 Japan Society for Civil Engineers Planning Committee, Vice Secretary-General
- 2010/06/01 - 2021/05/01 Japan Society for Civil Engineers Research and Studies Division, Section Manager
- 2020/12/01 - 2021/03/01 Japan Railway Construction, Transport and Technology Agency Committee on Demand Forecasting for the Profitability of the Shinkansen Line, Committee member
- 2017/03/01 - 2021/03/01 Ministry of Land, Infrastructure, Transport and Tourism (Kanto Regional Development Bureau) Advisory Committee on Travel Survey in the Tokyo Metropolitan Region, Committee member / Sub-Committee for Future Vision, Committee member / Sub-Committee for Modeling, Chair
- 2010/09/01 - 2021/03/01 Ministry of Land, Infrastructure, Transport and Tourism General (Road Bureau) Study Group on Trends in Automobile Ownership and Use, Committee member
- 2019/05/01 - 2020/06/01 Ministry of Land, Infrastructure, Transport and Tourism (Road Bureau) Committee on Road Space Planning for Autonomous Vehicles, Committee member
- 2020/02/01 - 2020/05/01 Ministry of Land, Infrastructure, Transport and Tourism (Road Bureau) Committee on National Road Network, Committee member
- 2020/01/01 - 2020/03/01 Cabinet Secretariat 2030 Mobility Study Group, Committee member
- 2019/11/01 - 2020/03/01 Ministry of Land, Infrastructure, Transport and Tourism (General Policy Bureau) Study and expert panel for the promotion of transportation services for the night-time economy, Committee member
- 2015/01/01 - 2020/03/01 National Land Planning Association JICA Subject-Specific Training "Comprehensive Urban Transportation Planning" Course, Lecturer
- 2009/11/01 - 2020/03/01 Ministry of Land, Infrastructure, Transport and Tourism General (Road Bureau) Committee for Research and Study on the Time Value for Roads, Committee member
- 2019/01/01 - 2019/12/01 Japan Society for Civil Engineers Scientific Subcommittee, Committee of Infrastructure Planning and Management, Special Committee Member
- 2017/06/01 - 2019/05/01 Japan Society for Civil Engineers Transactions Editorial Committee D3 Branch Editorial Subcommittee, Executive Director and Secretary General
- 2018/09/01 - 2019/03/01 Japan International Cooperation Agency Domestic Support Committee for Traffic Study in "JABODETABEK Urban Transport Policy Integration Project Phase 2" (JUTPI2), Indonesia, Committee member
- 2018/03/01 - 2019/03/01 Reaearch Institute of Road and Street Future Mobility, Roads and Cities Study Group, Committee member
- 2018/01/01 - 2019/03/01 Ministry of Land, Infrastructure, Transport and Tourism (Road Bureau) Transportation Management New Technology Evaluation Committee, Committee Chair
- 2016/07/01 - 2019/03/01 Ministry of Land, Infrastructure, Transport and Tourism (Road Bureau) Study Group on Effectiveness Analysis and Verification of Expressway Fees, Committee member
- 2017/01/01 - 2018/09/01 Tokyu Corporation Denentoshi Line Study Group, Committee member
- 2018/01/01 - 2018/06/01 Institute for Transport Policy Studies Study Group on Traffic Congestion and Tourist Circulation Trends in the Nikko Area, Committee member
- 2017/06/01 - 2018/05/01 Japan Society for Civil Engineers Future Civil Engineering Contest, Steering Committee Member
- 2014/04/01 - 2018/04/01 Ministry of Land, Infrastructure, Transport and Tourism (Road Bureau) Competition Expert Committee and Business Performance Evaluation Review Committee, Committee member
- 2017/07/01 - 2018/03/01 Saitama City Subway Line 7 (Saitama Rapid Transit Line) Extension Council, Committee member
- 2016/01/01 - 2018/03/01 Japan International Cooperation Agency Committee on Research and Domestic Support for Transport Surveys and Demand Forecasting in Developing Countries, Committee member
- 2013/06/01 - 2017/05/01 The City Planning Institute of Japan Editorial Committee for the Journal of City Planning, Committee Member
- 2016/12/01 - 2017/03/01 Okinawa Prefecture TDM Policy Promotion Action Program Review Committee, Committee member
- 2016/11/01 - 2017/03/01 Ministry of Land, Infrastructure, Transport and Tourism (City Bureau) OD Estimation Study Group, Committee member
- 2015/07/01 - 2017/03/01 Ministry of Land, Infrastructure, Transport and Tourism (General Policy Bureau) Study Group on Public Investment, etc. from the Perspective of Economic and Fiscal Policy, Committee member
- 2015/08/01 - 2016/08/01 Ministry of Economy, Trade and Industry (Agency for Natural Resources and Energy) Subcommittee on Gas System Reform, Advisory Committee on Natural Resources and Energy, Committee member
- 2014/06/01 - 2016/05/01 Japan Society for Civil Engineers Scientific Subcommittee, Committee of Infrastructure Planning and Management, Secretary-General
- 2016/03/01 - 2016/03/01 Ministry of Land, Infrastructure, Transport and Tourism (Road Bureau) Study Committee for the Utilization of Vehicle Onboard Sensing Technology, Committee member
- 2016/02/01 - 2016/03/01 Liaison Group for Promotion of RFID Technology at Airports Aviation Baggage New Technology Study Group, Committee member
- 2015/11/01 - 2016/03/01 Ministry of Land, Infrastructure, Transport and Tourism (Road Bureau) Study Group on Utilization of ETC2.0 Data, Committee member
- 2014/08/01 - 2016/03/01 Institute for Transport Policy Studies Research and Study Committee on Revolution of Traffic Information by Mobile Big Data, Committee member
- 2013/11/01 - 2016/03/01 The Japan Research Institute Systematic Study Group on the Future of the Automobile Society in the 21st Century, Road Infrastructure System Research Subcommittee, Committee member
- 2014/01/01 - 2015/08/01 Institute for Transport Policy Studies Study Group on Demand Forecasting for Urban Railways, Committee member
- 2014/06/01 - 2015/06/01 Ministry of Land, Infrastructure, Transport and Tourism (Kanto Regional Development Bureau) Tokyo Metropolitan Area Comprehensive Urban Transportation System Study Group Network Working Group, Committee member
- 2014/06/01 - 2015/05/01 Japan Society for Civil Engineers Committee of Infrastructure Planning and Management, Organizer
- 2015/01/01 - 2015/03/01 Tokyo Metro Co., Ltd. Tokyo Subway Project Revaluation Monitoring Committee Working Group, Committee member
- 2015/01/01 - 2015/03/01 Ministry of Land, Infrastructure, Transport and Tourism General (Railway Bureau) Opinion exchange meeting on the next Tokyo metropolitan area person trip survey, Committee member
- 2014/12/01 - 2015/03/01 Ministry of Land, Infrastructure, Transport and Tourism (Road Bureau) Roundtable on a new road traffic study system, Committee member
- 2014/08/01 - 2015/03/01 Saitama City Subway Line 7 Extension Study Group Meeting, Committee member
- 2014/07/01 - 2015/03/01 Ministry of Environment Quantification of greenhouse gas emissions, etc. in the transportation sector, and study and policy review meeting, Committee member
- 2013/12/01 - 2015/03/01 Saitama Prefecture Saitama Prefecture Public Transportation Network Study Committee, Committee member
- 2013/11/01 - 2015/03/01 Ota Ward of Tokyo Ex-post Evaluation Committee for the Comprehensive Grant for Social Infrastructure Development Urban Revitalization and Development Plan Project, Committee member
- 2014/07/01 - 2014/08/01 Institute for Transport Policy Studies Study Session on Traffic Demand Forecasting Methodology in the Tokyo Area, Committee member
- 2013/06/01 - 2014/05/01 Japan Society for Civil Engineers Preparatory Committee for the 100th Anniversary Project Future T&I Contest, Committee Member
- 2013/12/01 - 2014/03/01 Ministry of Environment Asian Transportation and Logistics Study Group, Committee member
- 2012/11/01 - 2014/03/01 Central Japan International Airport Co.,Ltd. Central Japan International Airport Demonstration Experiment Evaluation Study Committee, Committee member
- 2012/06/01 - 2013/05/01 Japan Society for Civil Engineers Research and Studies Division, Representative Organizer
- 2012/06/01 - 2013/05/01 Japan Society for Civil Engineers Research and Planning Committee, Secretary-General
- 2011/05/01 - 2013/05/01 Meguro Ward of Tokyo Basic Concept Council for Promotion of Barrier-Free Transportation, Sub-Committee Chair
- 2013/01/01 - 2013/03/01 Ministry of Economy, Trade and Industry (Agency for Natural Resources and Energy) Study Group on Evaluation Methodology for Wide-Area Natural Gas Pipeline Development, Committee member
- 2012/11/01 - 2013/03/01 Ministry of Land, Infrastructure, Transport and Tourism (National Institute for Land and Infrastructure Management) Study group for research and study on analysis of current status of accessibility, Committee member
- 2011/09/01 - 2012/06/01 Shizuoka Prefecture Study Group on Road Maintenance in the Izu Region, Committee member
- 2012/01/01 - 2012/03/01 Ministry of Land, Infrastructure, Transport and Tourism General (Railway Bureau) Committee to Study the Impact on Rail Transport of Changes in Work Arrangements by Companies and Other Entities to Save Electricity, Committee member
- 2011/09/01 - 2012/03/01 Institute for Transport Policy Studies Survey and Study Group on the Current Status and Future Direction of Railroad Track Development in the Tokyo Area, Committee member
- 2011/01/01 - 2012/03/01 Institute for Transport Policy Studies Study Group for Improving the Accuracy of Demand Forecasting Methods for Urban Railways, Committee member
- 2009/04/01 - 2010/03/01 Japan Railway Construction, Transport and Technology Agency Committee for Investigation and Review of Shinkansen Usage Environment, Committee member
- 2009/02/01 - 2010/03/01 Japan International Cooperation Agency Domestic Support Committee for Preparatory Survey on Urban Transport Network Development Project in Dhaka, Bangladesh, Committee member
- 2008/06/01 - 2009/05/01 Japan Society for Civil Engineers Committee of Infrastructure Planning and Management, Organizer
- 2008/09/01 - 2009/03/01 Ota Ward of Tokyo Community Development Grant Evaluation Committee, Committee member
- 2006/01/01 - 2009/03/01 Ministry of Land, Infrastructure, Transport and Tourism (General Policy Bureau) Study Group on New Survey Methods for Improving Statistics on Motor Vehicle Transport and Domestic Vessel Transport, Committee member
- 2006/06/01 - 2008/05/01 Japan Society for Civil Engineers Scientific Subcommittee, Committee of Infrastructure Planning and Management, Committee Member
- 2006/01/01 - 2007/01/01 Ministry of Land, Infrastructure, Transport and Tourism (General Policy Bureau) Study Group on Evaluation of Comprehensive Transportation Systems Focusing on the Level of Service of Urban Trunk Transportation, Committee member
- 2004/06/01 - 2006/05/01 Japan Society for Civil Engineers Annual Conference Programming Committee, Committee Member