Hideyuki Tachibana
Project Researcher at National Institute of Informatics
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolHideyuki Tachibana is a project researcher and experienced machine learning lead who bridges large language model research, real-world deployment, and institutional governance from Tokyo. With a PhD from the University of Tokyo and 14+ years in industry and academia, he led ML initiatives through a startup’s growth to IPO and now studies LLM evaluation, limitations, and policy integration at a national research institute. His work emphasizes that technical performance must be reconciled with regulatory, organizational, and social constraints to create sustainable AI systems. A formative personal experience—helping his father transition into introducing computer systems after a workplace injury—shaped his hybrid interest in institutions, law-like systems, and computing, informing a rare perspective on how macroeconomic and institutional forces shape technology adoption.
13 years of coding experience
7 years of employment as a software developer
University of TokyoHigh School Graduation, High School Graduation at Johoku Gakuen Junior and Senior High School
Github Skills (28)
accent10
dictionary10
harmonic10
spectrogram9
dtw9
mir9
speech-synthesis9
sound-processing9
sound-synthesis9
music-information-retrieval9
midi9
audio9
source-separation9
music9
nlp9
Programming languages (2)
Github contributions (5)
tachi-hi/tts_samples
Oct 2017 - May 2021
Contributions:17 commits, 13 pushes in 3 years 7 months
tachi-hi/sparse_inv
Nov 2014 - May 2016
Contributions:12 commits, 2 PRs, 6 pushes in 1 year 5 months
sparseinverseproblem
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