Tomomi Hioki joins Nagashima Ohno & Tsunematsu

Nagashima Ohno & Tsunematsu | View firm profile

Tomomi Hioki joined Nagashima Ohno & Tsunematsu as a Partner on November 1, 2025.

Ms. Hioki has extensive experience in regulatory compliance practices involving data privacy, information and communications technology (ICT), as well as artificial intelligence (AI). She was responsible for drafting and preparing the implementation of the 2015 amendment to the Personal Information Protection Act while serving at the Cabinet Secretariat’s Office for IT Strategy and the Personal Information Protection Commission Secretariat.
Ms. Hioki has also served as a trustee for the GovTech Tokyo Foundation, a policy coordination organisation for the Tokyo Metropolitan Government, and as a member of various advisory committees for the Ministry of Health, Labour and Welfare, the National Tax Agency, and other government agencies, where she has been actively involved in research and discussions on legal frameworks related to data and ICT.

With the addition of Ms. Hioki, we will strengthen our expertise in Data Protection and Privacy and Technology and strive to provide the highest quality of legal services to meet our clients’ business needs.

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