John Hubbard
Distinguished Engineer at NVIDIA
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJohn Hubbard is a Distinguished Engineer with 13+ years focused on Linux kernel and GPU compute systems, currently advancing in-tree NVIDIA drivers and Rust for Linux from San Jose. He blends deep systems expertise—memory management, kernel drivers, and CUDA stack integration—with practical hardware insight gained over decades of working alongside electronics and circuit teams. A long-time contributor to open-source CUDA and NVIDIA documentation, he’s helped make complex GPU interfaces and Unified Memory accessible to the community. His background as a naval nuclear propulsion engineer and submarine combat systems officer underpins a disciplined approach to reliability and performance in high-stakes, large-scale HPC environments.
13 years of coding experience
25 years of employment as a software developer
BS Electrical Engineering, BS Electrical Engineering at Utah State UniversityMasters (equivalent; classified material) Nuclear Power and Propulsion Systems, Masters (equivalent; classified material) Nuclear Power and Propulsion Systems at Naval Nuclear Propulsion Engineer Program
Github Skills (9)
c1710
memory-management10
c1110
linux-kernel10
documentation10
technical-writing10
x869
system-calls8
html7
Programming languages (6)
Github contributions (5)
NVIDIA/open-gpu-doc
Apr 2019 - Jul 2022
Documentation of NVIDIA chip/hardware interfaces
Role in this project:
Technical Writer
Technical WriterContributions:53 commits, 2 PRs, 49 pushes in 3 years 3 months
Contributions summary:John's commits primarily focus on creating and updating documentation for the NVIDIA open-gpu-doc repository. The contributions include adding new reference manuals for various components and architectures, updating existing documentation to reflect the latest features and specifications, and organizing the documentation structure for better usability. The user also created index.html files to help the site with its github pages.
interfaceshardwarenvidiachip
johnhubbard/classes
Jan 2015 - Aug 2018
Contributions:238 pushes, 1 branch in 3 years 7 months
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