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Nuclear Regulation Authority
Last update : 1 September 2024

List of Officials

Senior Officials

Secretary-General
KATAYAMA Hiromu
Deputy Secretary-General
KANEKO Shuichi
Deputy Secretary-General for Technical Affairs (Chief Engineering Officer)
ICHIMURA Tomoya
Director-General for Emergency Response
KOGANEYA Toshiyuki
Director-General for Radiation Protection Strategy and Security
KOJIMA Yohei
Director-General for Policy Planning and Coordination
FUKUSHIMA Takehiko
Director-General for Nuclear Regulation
MORISHITA Yasushi
Director-General for Nuclear Regulation
KINJO Shinji
Director-General, Nuclear Regulation Department
OSHIMA Toshiyuki

Secretary-General’s Secretariat

Director, Policy Planning and Coordination Division
YOSHINO Aya
Chief Record Officer
ADACHI Toshimichi
Director for Evidence-based Policymaking
NITTA Akira
Director for Cybersecurity and Information Technology
ADACHI Toshimichi
Director, Management System Office
NARITA Tatsuji
Director, Public Information Office
SEKIGUCHI Sumio
Director, International Affairs Office
FUNADA Teruyo
Director, Accidents Response Office
YAMAGUCHI Michio
Director, Legal Affairs Office
KUTANDA Yuki
Director, Information Systems Office
ADACHI Toshimichi
Director, Personnel Division
TAGUCHI Tatsuya
Director, Division of Budget and Accounting
KOBAYASHI Masahiko
Director, Litigation Division
ARAI Tomu
Director, Emergency Preparedness and Response Office
SUGIMOTO Takanobu
Director, Office for Administrative Affairs of the Commission
SEKIGUCHI Naoto

Regulatory Standard and Research Department

Director, Regulatory Standard and Research Division
KAMITANI Koji
Director, Division of Research for Reactor System Safety
KITANO Koji
Director, Division of Research for Severe Accident
AONO Kenjuro
Director, Division of Research for Radiation Protection and Radioactive Waste Management
HAGINUMA Masashi
Director, Division of Research for Earthquake and Tsunami
SUGINO Hideharu

Radiation Protection Department

Director, Radiation Protection Policy Planning Division
KUROKAWA Yoichiro
Director, Safeguards Office/Japan Safeguards Office (JSGO)
NAKAGIRI Yuko
Director, Radiation Monitoring Division
KAWAGUCHI Yoshio
Director, Environmental Radioactivity Office
KUBO Yoshiya
Director, Division of Nuclear Security
TSURUSAWA Youji
Director, Division of Regulation for Radiation
YOSHIKAWA Motohiro

Nuclear Regulation Department

Director, Nuclear Regulation Policy Planning Division
TAKEUCHI Jun
Director, Fire Management Office
TORIEDA Hiroaki
Director, Office for Accident Measures of the Fukushima-Daiichi NPS
IWANAGA Kouhei

Nuclear Regulation Department (Licensing)

Director, Division of Licensing for Nuclear Power Plants
WATANABE Keiichi
Director, Division of Long Term Operation of Nuclear Power Plants
NISHIZAKI Takanori
Director, Division of Licensing for Research Reactors, Use of Nuclear Material
KOYAMADA Takumi
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
SUGIMOTO Takanobu
Director, Risk Management Office
MURAKAMI Gen
Director, Division of Oversight of Nuclear Power Plants
SHIMA Masakazu
Director, Division of Oversight of Nuclear Fuel Related Facilities and Research Reactors
MURATA Shinichi
Director, Division of Specified Oversight
TAKASU Yoji

NRA Human Resource Development Center

Director-General, NRA Human Resource Development Center
KANEKO Shuichi
Deputy Director-General, NRA Human Resource Development Center
TAKEMOTO Akira
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