Ryusuke Masuoka
Principal Information Security Officer
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolRyusuke Masuoka is a Principal Information Security Officer at a Tokyo-based FinTech company with over 30 years in ICT research and more than two decades of research management experience. Formerly a Global Fujitsu Distinguished Engineer and Research Principal, he has led multidisciplinary teams of PhDs with multi-million-dollar budgets and acted as Chief Cybersecurity Advisor to Japan’s Ministry of Defense. His work bridges deep technical areas—trusted computing, CTI, software validation, LTE/5G, and semantic web—with cyber policy, having spent time at a public policy think tank and on numerous standards bodies (OASIS, IETF, 3GPP, TCG). He has led and contributed to DARPA/NSF projects and academic collaborations with institutions such as MITRE, UC Berkeley, and U Maryland, while remaining active in FIRST and other incident-response communities. Recently fascinated by Bitcoin technologies, he combines a mathematician’s PhD background with pragmatic security leadership across industry, government, and standards landscapes.
8 years of coding experience
21 years of employment as a software developer
University of Tokyo
Japanese, English
Github Skills (27)
csv-parser9
csv-reader9
csv9
csv-parsing9
data-storage7
storage6
mitre-attack6
mongodb5
social-media5
social-networking5
django5
social-network-analysis4
security3
networking3
chrome-extension3
Programming languages (4)
Github contributions (5)
stmtstk/mitre_attack_csv
Aug 2022 - Aug 2022
Script to produce ATT&CK CSV files and MITRE ATT&CK CSV data storage
Contributions:6 reviews, 29 commits, 12 PRs in 10 days
csvstixcsv-readercsv-datastix2
s-tip/s-tip.github.io
Nov 2020 - Nov 2020
Contributions:64 commits, 64 pushes in 19 days
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