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Nuclear Regulation Authority
Last update : 5 August 2022

List of Officials

Senior Officials

Secretary-general
KATAYAMA Hiromu
Deputy Secretary-General
KANEKO Shuuichi
Deputy Secretary-General for Technical Affairs (Chief Engineering Officer)
ICHIMURA Tomoya
Executive Inspector of Nuclear Regulation
KOGANEYA Toshiyuki
Director-General for Emergency Response
SATOU Gyou
Director-General for Radiation Protection Strategy and Security
MATSUSHITA Hitoshi
Director-General for Policy Planning and Coordination
MATSUSHITA Hitoshi
Director-General for Nuclear Regulation
MORISHITA Yasushi
Director-General for Oversight, International Affairs, and Fukushima Daiichi Regulation
ONO Yuuji
Director-General, Nuclear Regulation Department
OSHIMA Toshiyuki

Secretary-General’s Secretariat

Director, Policy Planning and Coordination Division
KUROKAWA Yoichiro
Chief Record Officer
ADACHI Toshimichi
Director for Evidence-based Policymaking
YOSHINO Aya
Director for Cybersecurity and Information Technology
ADACHI Toshimichi
Director, Management System Office
NOMURA Yuko
Director, Public Information Office
MURATA Shinichi
Director, International Affairs Office
ICHII Naoto
Director, Accidents Response Office
YAMAGUCHI Michio
Director, Legal Affairs Office
YUMOTO Jun
Director, Information Systems Office
ADACHI Toshimichi
Director, Personnel Division
TAGUCHI Tatsuya
Director, Division of Budget and Accounting
KAWAHARA Yusuke
Director, Litigation Division
HIRANO Daisuke
Director, Emergency Preparedness and Response Office
SUGIMOTO Takanobu
Director, Office for Administrative Affairs of the Commission
TAKAHASHI Takashi

Regulatory Standard and Research Department

Director, Regulatory Standard and Research Division
TOYAMA Makoto
Director, Division of Research for Reactor System Safety
TAGUCHI Kiyotaka
Director, Division of Research for Severe Accident
FUNAYAMA Kyoko
Director, Division of Research for Radiation Protection and Radioactive Waste Management
HAGINUMA Masashi
Director, Division of Research for Earthquake and Tsunami
KAWAUCHI Hidefumi

Radiation Protection Department

Director, Radiation Protection Policy Planning Division
NITTA Akira
Director, Safeguards Office/Japan Safeguards Office (JSGO)
TERASAKI Tomohiro
Director, Radiation Monitoring Division
IMAI Toshihiro
Director, Environmental Radioactivity Office
TAKAMOTO Akira
Director, Division of Nuclear Security
NAKAMURA Shinichiro
Director, Division of Regulation for Radiation
YOSHIKAWA Motohiro

Nuclear Regulation Department

Director, Nuclear Regulation Policy Planning Division
KINJO Shinji
Director, Fire Management Office
SAITO Kenichi
Director, Office for Accident Measures of the Fukushima-Daiichi NPS
TAKEUCHI Jun

Nuclear Regulation Department (Licensing)

Director, Division of Licensing for Nuclear Power Plants
WATANABE Keiichi
Director, Division of Licensing for Research Reactors, Use of Nuclear Material
SHIMA Masakazu
Director, Division of Licensing for Nuclear Fuel Facilities
HASEGAWA Kiyomitsu
Director, Division of Licensing for Earthquake and Tsunami Measures
NAITO Hiroyuki

Nuclear Regulation Department (Oversight)

Director, Oversight Planning and Coordination Division
TAKEYAMA Shoji
Director, Risk Management Office
SEIMARU Katsumasa
Director, Division of Oversight of Nuclear Power Plants
SUGIMOTO Takanobu
Director, Division of Oversight of Nuclear Fuel Related Facilities and Research Reactors
OOMUKAI Shigekatsu
Director, Division of Specified Oversight
TAKASU Yoji

NRA Human Resource Development Center

Director-General, NRA Human Resource Development Center
KANEKO Shuuichi
Deputy Director-General, NRA Human Resource Development Center
MUKAE Takashi
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