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©2001-2025 Atumi & Sakai
Advisor/Consultant
Japan (1993)
Daini Tokyo Bar Association
Keio University (LL.B., 1974) Keio Law School, coursework completed without degree (1979) Ph.D. in Law (Keio University, 1990)
Assistant Professor, Keio University (1981-1985) Associate Professor, Keio University (1985-1990) Professor, Keio University (1990-2014) Visiting scholar, University of Michigan (1979-1980) Visiting scholar, University of California, Berkley (1980-1981) Visiting scholar, Faculty of Law, Thammasat University (1988) Yamada Ozaki Law Office (1993-May 2017) Professor emeritus, Keio University (2014-)
Committee member, Citizen Judge System Enforcement Promotion Center Board Member (former chairman), NPO Institute of Digital Forensics Refugee Examination Counselor Round-table chairman, Matters Relating to Anti-Money Laundering Measures (National Police Agency) Council of Experts, Countermeasures Against Cyber Attacks (The Center for Financial Industry Information Systems) Board member, The Japan Road Traffic Information Center Councilor, The Center for Financial Industry Information Systems Academic advisor, the Asia Crime Prevention Foundation Special adviser (former president), The Association of Certified Fraud Examiners (ACFE Japan) Development Committee Member, Basic Policy of Information Security (2nd Edition) of the National Center of Incident Readiness and Strategy for Cybersecurity Chairman, Kawasaki City, Administrative Appeals Review Board Member, Personal Information Protection Commission and the IT Strategic Headquarters, the Prime Minister of Japan and Cabinet Committee member of “Academic Experts Committee for Open APIs in Financial Institutions,” The Center for Financial Industry Information Systems (FISC) (June 2018-October 2018)
Handbook on Decisions on Application of Laws by Courts: Penal Code Edition [3rd Edition], Tokyo Horei Publishing (2022)
Now I Know! Basis of Investigation Procedure Laws, Tokyo Horei Publishing (2021)