Natsuhiko Sakimura

Chairman, OpenID Foundation

Overview

He specializes in international standardization of digital identity and privacy, and is the author of a series of related international standards used by more than 30 billion people around the world, as well as "Digital Identity" (2021, Nikkei BP). He has served as chairman of the US OpenID Foundation since 2011 and MyData Japan since 2019.Special Advisor on Digital, Japan Fair Trade CommissionHe will serve as the Director of the JSOL from 2021. Standards he has been involved in as an author or editor include JWT, JWS, OAuth PKCE, OpenID Connect, FAPI, ISO/IEC 29100 Privacy framework, and ISO/IEC 29184 Online privacy notice and consent.
Chair of the ISO/IEC JTC 1/SC 27 Technical Committee (Information Security, Cybersecurity and Privacy Protection: Identity Management and Privacy Technology). Member of the OECD Internet Technical Advisory Committee. Participates in numerous government-related study groups, including the Ministry of Internal Affairs and Communications' "Study Group on Platforms" and the Digital Agency's "Expert Meeting for Revision of Identity Verification Guidelines."

Position

• Representative of NAT Consulting LLC (2020-)
• Member of the NHK Central Broadcasting Program Council (2022-)
• Digital Special Advisor, Japan Fair Trade Commission (2021-)Nikkei Shimbun, Announcement by the Fair Trade Commission]
• Chairman of the SC 27 Technical Committee of the Information Processing Society of Japan (2024-)
• Executive Partner and Chief Researcher, Tokyo Digital Ideas Inc. (2020-)
• Outside Director of Authlete, Inc. (2023 -)
• PwC Japan Group Digital Identity Advisor (2023 -)
• Visiting Researcher, Japan Information Technology Promotion Association (2020-)
• MyData Japan Chairman (2019 -)
• Advisor, Electronic Payment Service Association (2019-)
• Advisor, Fintech Association (2020 -)
• IT Federation Information Bank Promotion Committee Information Bank Certification Subcommittee Chairman (2018-)
• ISO/IEC JTC 1/SC 27/Management Advisory Committee member (2018 – 2019)
• Senior Research Fellow, Information Law Research Institute (2016 -)
• Member of the OECD Internet Technology Advisory Committee (ITAC) (2014-)
• Privacy by Design Ambassador (2014-) (Second Japanese)
• OpenID Foundation Chairman (2011-)

Other careers

• Ministry of Internal Affairs and Communications Study Group on Platform ServicesMembers (2018-2024)
• ISO/PC317 Consumer Protection: Privacy by Design in Consumer Products, Chair of the National Committee
• Information Processing Society of Japan, Standards Committee, SC 27/WG 5, Subcommittee Chair (2011-2024)
• Member of the Data Distribution Promotion Working Group of the Japan Information Technology Promotion Association (2020-2023)
• Japan Fair Trade Commission Study Group on Competition Policy in Digital Markets Members (2020-2021)
• Ministry of Internal Affairs and Communications, Information and Communications Council, Information and Communications Technology Subcommittee, Technology Strategy Committee, Standardization Strategy Working Group Committee Member (2019)
• Ministry of Health, Labor and Welfare HL7 FHIR Experts Meeting Members (2019)
• Kantara Initiative Board Member (2009-2016)
• Director of the Japan Society for Value Creation ERM (2008-)
• Senior Researcher, Nomura Research Institute (-2020)
• Part-time Lecturer, Faculty of Law, Niigata University (2013)
• Chairman of the Public-Private Joint Study Group on an International Framework for Anti-Counterfeiting Products (2012-2014)
• Member of the Advisory Council of the Japan Information Technology Promotion Association (2012-14)
• Lecturer at the Ministry of Internal Affairs and Communications Study Group on the Use and Distribution of Personal Data (2012)
• Ministry of Economy, Trade and Industry, METI Personal Data Working Group Member (2012)
• Open Identity Exchange Director (2011)
• METI Working Group on Private Use of the Number System (2011)
• Member of the Study Group on Social Systems and Infrastructure for the Safe and Secure Management of Personal Information, Japan Information Economy and Society Promotion Association (2011)
• Cabinet Secretariat  Social Security and Tax Number System>Information Collaboration Platform Technology Working Group (2011)
• Member of the Ministry of Internal Affairs and Communications' Electronic Government Promotion Working Group (2010)Draft Report]
• Member of the Ministry of Internal Affairs and Communications ITU-T SG17 Domestic Committee Application and Authentication Working Group (2010)
• Ministry of Economy, Trade and Industry Open Government Lab Project Advisor (2010)
• IDDY Award Jury (2009-2010)
• OpenID Foundation Community Board Member (2008-)
• XDI.org Vice Chairman (2004-2012)
• Part-time Lecturer at Tokyo Institute of Technology (1998-1999)

book

• Matsuo, Sakimura, et al. (2024).Unsolved Problems of Web3" Nikkei Business Publications
• Sakimura, et al. (2021). RFC9101 The OAuth 2.0 Authorization Framework: JWT-Secured Authorization Request (JAR).IETF
• Sakimura, et al. (2021). Financial-grade API Security Profile — Part2: AdvancedOpenID Foundation.
• Sakimura, et al. (2021). Financial-grade API Security Profile — Part1: BaselineOpenID Foundation.
• Natsuhiko Sakimura. (2021). Digital Identity. Nikkei Business Publications.
• Matsuo, S. (2021) Blockchain GapsSpringer
• Sakimura, "The idea that blockchain is trustless is an illusion" (2016), Matsuo et al.Unsolved problems of blockchain technology" (2018) Chapter XNUMX, Nikkei BP
• Hokino, Fujiki, Onda, Kaneko, Sakimura, Sato. (2015). A Practical Trust Framework: Assurance Levels Repackaged Through Analysis of Business Scenarios and Related Risks, Security Standardization Research, Second International Conference, SSR 2015, LNCS 9497, Springer, Tokyo, Japan, December 15-16, 2015, Proceedings, Springer (P203-217)
• Nomura Capital Markets Research Institute, "Potential Use of My Number," Study Group, edited by Mori Nobuki. (2015). "My Number: Opening the Future", Chuo Keizaisha.
• Jones, Sakimura. (2015). RFC7638 – JWK Thumbprint. IETF.
• Sakimura, Bradley, and Agawaal. (2015). RFC7636 – OAuth Proof Code for Code Exchange (PKCE). IETF.
• Sakimura. (2015).Personal information traceability requirements" Intellectual Asset Creation. Nomura Research Institute.
• Jones, Bradley, Sakimura. (2015). RFC7515 – JSON Web Signature.IETF.
• Jones, Bradley, Sakimura. (2015). RFC7519 – JSON Web Token.IETF.
• Ito, Yasuoka, Tomita, and Sakimura. (2011).Strategy for utilizing private platforms to promote open government" Intellectual Asset Creation. Nomura Research Institute
• Sakimura, Jones, Bradley, de Madeiros, et al. (2014). Open ID ConnectOpenID Foundation
• Sakimura, A. (2011). "The Heartless Society and the Number System: The Dangers of Name Matching as Seen in Victor Hugo's Les Misérables" Technical critic company
• Sakimura 『National ID System and Trust Framework: From the Perspective of Internet Identity and Privacy Protection” (2010), Masao Horibe Law Study Group.
• Ohashi, Sakimura, Sakushima, Hori. (2010). On the Substantial Study of Proxing Assurance between OpenID and SAMLSpringer, Communications in Computer and Information Sciences 109.
• Yasuoka, Sakimura, et al."ID Business in 2015: One Card for Everything from Vending Machines to Public Certification"(2009), Toyo Keizai Shinposha
• Jones, Recordon, Bradley, Sakimura et al. (2008) OpenID Provider Authentication Property ExtensionOpenID Foundation.
• Sakimura, N., Nagashima, A. (2006). "Toward the realization of context-aware services using mobile phones". Technological Emergence. Nomura Research Institute
• Sakimura . (2002).Software to prevent information leakage" Intellectual Asset Creation. Nomura Research Institute
• Sakimura (1995).The New Office Revolution"●  .Intellectual Asset Creation Vol. 4 No. 1. Nomura Research Institute

Media Appearances

(From 2024-06-02, I have started to collect records of media appearances little by little.)

• 2024-05-15. IT Media Executive. "Digital identity will determine the future of digital hegemony -- Natsuhiko Sakimura of Tokyo Digital Ideas". IT Media
• 2024-04-24. Yomiuri Shimbun Online "Digital Agency's 'digital authentication app' goes astray... Online usage history at risk of being concentrated in the government" The Yomiuri Shimbun
• 2024-03-30. Yomiuri Shimbun "National personal authentication app going astray...Digital Agency's concept and development"The Yomiuri Shimbun
• 2021-12-13. Nihon Keizai Shimbun"Big IT and the Development of International Standards - Natsuhiko Sakimura, Chairman of the OpenID Foundation"Nihon Keizai Shimbun
• 2021-07-28. Nihon Keizai Shimbun"Fair Trade Commission to cooperate with IT giants in investigation of digital talent from private sector"Nihon Keizai Shimbun
• 2021-07-21. Nikkei XTech"Identity Management: The Source of GAFA's Strength - Interview with a Leading Expert"Nikkei Business Publications
• 2018-12-27. Nikkei Cross Trend"What we need to protect is privacy, not data"Nikkei Business Publications
• 2018-12-27. Nikkei Cross Trend"Why is an information bank called a 'bank'?"Nikkei Business Publications
• 2014-02-05. Business + IT"OpenID's Natsuhiko Sakimura: Two trust frameworks required for personal data distribution". SB Creative Corp.

Patent