Hiroyuki Chishiro
Founder CEO&CTO at Japanese Tar Heel, Inc.
Chapel Hill, North Carolina, United States
Summary
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Senior🎓
Top SchoolHiroyuki Chishiro is a founder and CTO with a Ph.D. in computer science from Keio University and nine years of industry experience bridging academic research and product engineering. He leads Japanese Tar Heel, Inc. and serves as CTO of Guarantee Happiness LLC, focusing on real-time operating systems, Linux kernel development, and full-stack software services. A polyglot programmer comfortable in C/C++, Rust, Go, Python, Solidity and many other languages, he applies low-level systems expertise to modern domains like NLP and Ethereum smart-contract security. His career spans roles from JSPS research fellow and university lecturer to entrepreneurial leadership, uniquely combining deep research rigor with hands-on startup delivery. Based in Chapel Hill, he also operates bilingual Japanese–English technical services, reflecting an uncommon mix of global academic pedigree and practical cross-cultural product experience.
9 years of coding experience
4 years of employment as a software developer
Doctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at Keio University
Github Skills (25)
sd-card10
kernel-module10
assembler10
raspberry-pi-os10
performance-tuning10
linux-kernel9
armv89
raspberry9
operating-system9
kernel9
arm8
osdev8
bare-metal7
microkernel7
linux7
Programming languages (2)
Github contributions (5)
pflab-ut/llvm
Mar 2018 - Aug 2018
Contributions:88 commits, 3 pushes in 5 months
pflab-ut/mcube
Jul 2018 - Nov 2019
Mcube Kernel: Operating System Supporting Dynamically Switchable Kernel Models
Contributions:407 commits, 316 pushes, 2 branches in 1 year 5 months
kernelmicrokerneloperating-systemsoperating-systemperformance-tuning
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