- 2024/02 - 現在 医療放射線防護連絡協議会 在宅医療におけるエックス線撮影装置の安全な使用に関するQ&Aと解説編集委員
- 2023/12 - 現在 Japanese Society of Radiation Safety Management Ethics committee
- 2023/09 - 現在 The International Association of Biological and EPR Radiation Dosimetry (IABERD) Members of local organizing committee for EPRBioDose2024
- 2023/06 - 現在 Japan association on radioligical protection in medicine auditor
- 2022/05 - 現在 The Scientific Council, The International Association of Biological and EPR Radiation Dosimetry (IABERD) Members of the scientific council
- 2021/11 - 現在 Japanese Society of Public Health Group leader of environmental Health, Monitoring reports committee
- 2021/05 - 現在 Pharmaceuticals and Medical Devices Agency expert advisor
- 2020/06 - 現在 Japan Health Physics Society Communication Committee
- 2019/04 - 現在 Ministry of the Environment Government of Japan Committe on BOOKLET to Provide Basic Information Regarding Health Effects of Radiation
- 2018/06 - 現在 Japanese Society of Radiation Safety Management Public Relations Committee Member
- 2012/02 - 現在 Subcommittee on Health Measures Caused by Chemical Substance
- 2010/06 - 現在 Japanese Society of Radiation Safety Member of the Planning Committee
- 2005/06 - 現在 Japan Radioisotope Association Experts Committee on Nuclear medicine therapy
- 2000/07 - 現在 日本放射線技術学会 学術交流委員会 関係法令委員会 委員
- 1999/09 - 現在 Japan association on radioligical protection in medicine Editorial Committee and Publicity Committee
- 2019/06 - 2024/05 Japanese Society of Radiation Safety Management Management Director
- 2023/04 - 2024/03 Ministry of Health, Labour and Welfare National Medical Practitioners Qualifying Examination Committee
- 2023/01 - 2023/03 Nuclear Safety Technology Center FY 2022 Study on reasonable management and regulation concerning the disposal of radioactive isotopes, etc., taking into account decay - Evaluation Committee Member
- 2022/05 - 2023/03 National Institute of Radiological Sciences Editorial Board Member, Radiation Effects and Protection Knowledge Base
- 2022/05 - 2023/03 National Institute of Radiological Sciences Member of the Committee for the Study of Information Collection and Dissemination Projects for Radiation Protection Standards, etc., and the Committee for the Operation of the Radiation Effects and Radiation Protection Knowledge Base
- 2021/07 - 2023/03 Japan Health Physics Society Secretary, JHPS Working Group on Accidental X-ray Exposures
- 2017/04 - 2023/03 MHLW The committee for appropriate safety management of medical radiation
- 2011 - 2023/03 MHWL The Task Force on the Countermeasures against Radioactive Materials, the Food Sanitation Commission of the Pharmaceutical Affairs and Food Sanitation Council
- 2022/07 - 2023/02 日本保健物理学会・日本放射線安全管理学会 第4回日本保健物理学会・日本放射線安全管理学会合同大会 実行委員会委員
- 2011/11 - 2023/01 厚生労働省 薬事・食品衛生審議会臨時委員(厚生労働省薬事・食品衛生審議会食品衛生分科会放射性物質対策部会委員)
- 2021/08 - 2022/03 Fukushima Prefectural Government External Evaluation Advisor, Fukushima Prefecture Science and Technology Coordination Council
- 2018/04 - 2022/03 原子力規制庁委託事業「放射線防護基準等の情報収集・発信事業検討委員会」 「放射線影響・放射線防護ナレッジベース運用委員会」委員
- 2018/04 - 2022/03 原子力規制庁委託事業 放射線安全規制研究戦略的推進事業費(放射線防護研究分野における 課題解決型ネットワークとアンブレラ型統合プラットフォームの形成)事業 放射線影響・放射線防護ナレッジベース編集部会」委員
- 2000/04 - 2022/03 The International Association of Biological and EPR Radiation Dosimetry (IABERD) Local Organising Committee, EPR Biodose 2022
- 2020/07 - 2021/02 日本放射線安全管理学会 第19回学術大会実行委員会 委員
- 2018/04 - 2020/03 日本保健物理学会 福島第一原子力発電所事故後のPublic Understanding(科学の公衆理解)の取り組みに関する専門研究会 委員
- 2018/11 - 2018/11 IAEA ORPAS mission to Indonesia Experts team member
- 2015/07 - 2018/05 Japan Health Physics Society Extraordinary Commission for assessment of internal exposure effect
- 2009/06 - 2018/05 Japanese Society of Radiation Safety Management Management Director
- 2017/04 - 2018/03 原子力規制庁委託事業「短半減期核種の合理的な規制に向けた調査」 調査運営委員会及びPET核種他、各濃度限度に関連する文献調査ワーキンググループ委員
- 2017/05 - 2017/05 IAEA ORPAS mission to Malaysia Experts team member
- 2016/07 - 2017/03 放射線医学総合研究所 平成28年度原子力規制庁委託事業「放射線防護基準等の情報収集・発信事業検討委員会」
- 2014/10 - 2016/06 原子力規制庁 放射性同位元素に係る核セキュリティに関するワーキンググループ委員
- 2014/08 - 2016/06 Nuclear Regulation Authority The committee for nuclear security
- 2010/06 - 2016/05 日本放射線安全管理学会 法令検討委員会委員
- 2015/10 - 2016/03 放射線医学総合研究所 平成27年度原子力規制庁委託事業「放射線影響・放射線防護に関する知見の収集・整理委員会」
- 2002/07 - 2016/03 Japan Radioisotope Association The committee for medical radiation safety managemen
- 2014/09 - 2015/03 IDEA Consultants, Inc. FY2014 Ministry of Agriculture, Forestry and Fisheries of Japan “Emergency Survey on Import Regulations as Part of the Export Expansion Promotion Consignment Project: Study Group on Survey and Analysis of Radioactive Substances in Agricultural, Forestry and Fisheries Products”
- 2013/09 - 2014/03 Mitsubishi Research Institute, Inc. FY 2013 Ministry of the Environment “Nuclear Emergency Response Research Project: Investigation Committee for the Evaluation of Internal Exposure Doses from the Initial Phase of the Accident through the Oral Intake of Food”
- 2012/10 - 2013/07 日本保健物理学会 第46回保健物理学会実行委員会委員
- 2009 - 2013/06 Japan Health Physics Society Editorial Board Member
- 2012/04 - 2013/03 台東区 台東区放射線影響対策検討会
- 2012 - 2013 NIRS The working group of ingestion dose assessment due to the Fukushima nuclear disaster
- 2009 - 2013 Japan Health Physics Society Editorial Board
- 2011/06 - 2012/02 Tokyo Metropolitan Government Member of the Health and Medical Care Bureau's Expert Committee on Radiation Disaster Response
- 2011 - 2012 WHO International Panel for Initial evaluation of radiation exposure from the nuclear accident after the 2011 Great East Japan earthquake and tsunami
- 2002 - 2012 Ministry of Education, Culture, Sports,Science and Technology (MEXT) The committee for radiation safety regulation
- 2009 - 2010/05 日本アイソトープ協会 「医療放射線実践マニュアル」改訂第三版編集委員会委員
- 2007/10 - 2010/05 日本アイソトープ協会 医療施設に係るクリアランス検討サブワーキンググループ委員
- 2006/09 - 2010/05 日本アイソトープ協会 医学・薬学部会アイソトープ内用療法専門委員会医療用廃棄物等のQ&A集作成ワーキンググループ委員
- 2002/12 - 2010/03 Ministry of Education, Culture, Sports, Science and Technology Member of the Study Group on Radiation Safety Regulations
- 2009/06 - 2009/06 Ministry of Education, Culture, Sports, Science and Technology Technical Review Committee Member (International Radiation Protection Survey)
- 2009/06 - 2009/06 Ministry of Education, Culture, Sports, Science and Technology Technical Review Committee Member (Development of ICRP Technical Standards, etc. (development of calculation codes))
- 2009/06 - 2009/06 Ministry of Education, Culture, Sports, Science and Technology Technical Evaluation Committee Member (Investigation of clearance levels to be introduced under the Radiation Damage Prevention Act)
- 2006/04 - 2007/05 Japan Radioisotope Association Member of the Veterinary Nuclear Medicine Committee, Life Science Subcommittee
- 2005/07 - 2007/03 Japan Radiological Technologists Association Member of the Committee on Medical Radiation Exposure
- 2002/11 - 2007/03 Japan Radioisotope Association Member of the Public Relations Committee of the Japan Radioisotope Association's Radiation Protection Supervisor's Subcommittee
- 2002/10 - 2007/03 Japanese Society of Interventional Radiology External Member of the Radiation Protection Committee
- 2002/04 - 2007/03 Japan Radioisotope Association Member of the Public Relations Committee of the Japan Radioisotope Association's Radiation Protection Supervisor's Subcommittee
- 2006 - 2007 Japan Association of Radiological Technologists The committee for guidance level in radiology
- 2004/06 - 2006/06 Japanese Circulation Society Member of the group that created the guidelines for radiation protection in cardiovascular medicine
- 2002/12 - 2006/05 Japan Radioisotope Association Member of the Committee on Medical Radiation Safety Management for PET Examinations
- 2004/04 - 2006/03 Ministry of Education, Culture, Sports, Science and Technology Member of the Working Group on the Safety and Security of Radiation Sources
- 2005 - 2006 MEXT The working group for the safety and security of radioactive source
- 2006 - Japan Radioisotope Association The committee for radiation safety of nuclear medicine
- 2003 - 2004 Radioisotope Association (2003-2004)
- 2003 - 2004 Japan Radioisotope Association The committee for medical radiation safety management training course
- 2002 - 2004 Japan Radioisotope Association The committee for medical inspector training course
- 2004 - Japan Radioisotope Association The committee for radiation safety of veterinary nuclear medicine
- 2002/10 - 2003/03 Nuclear Safety Research Association Member of the Study Committee on the Criteria for Exiting the Controlled Area
- 2002 - 2003 Nuclear Safety Research Association The committee for release of contaminated patient at a radiological accident
- 2001 - Japanese Society of Radiological Technology The committee for radiation safety regulation
- 1993/04 - 1995/03 Edogawa Ward Safety and Health Committee, School Lunch Preparation Committee, School Special Committee Member