Jim Garrison
Developer, Quantum-Centric Supercomputing at IBM
Greater Pittsburgh Region United States
Summary
🤩
Rockstar🎓
Top SchoolJim Garrison is a developer specializing in quantum‑centric supercomputing at IBM Quantum, blending a PhD in theoretical quantum condensed matter physics with 22 years of hands‑on software and systems experience. He builds Qiskit addons (AQC‑Tensor, circuit cutting) and co‑leads IBM Quantum’s open source chapter, bridging deep theory with production HPC and developer tooling. His background includes a productive postdoctoral research career at JQI/QuICS with multiple high‑impact physics publications and practical software roles from full‑stack web apps to DevOps. An active FOSS contributor, Jim has improved widely used projects such as Qiskit, Julia, and Urwid—often focusing on robustness, documentation clarity, and developer ergonomics. He brings a rare combination of research rigor, tooling craftsmanship, and experience automating complex deployments across scientific and production environments.
22 years of coding experience
5 years of employment as a software developer
Bachelor of Arts - BA, History and Psychology, magna cum laude, Bachelor of Arts - BA, History and Psychology, magna cum laude at Case Western Reserve UniversityDoctor of Philosophy - PhD, Physics, Doctor of Philosophy - PhD, Physics at UC Santa Barbara
Stackoverflow
4,237reputation
567kreached
34answers
19questions
hex
top-5%
statistics
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python
top-5%
Github Skills (62)
circuit10
markdown10
textbook10
gitbook10
develop10
python10
scripting10
technical-writing10
macros10
testing10
self-hosting10
urwid10
script10
markdown-it10
repr10
Programming languages (26)
Github contributions (5)
timholy/ProgressMeter.jl
Dec 2014 - Aug 2018
Progress meter for long-running computations
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 1 review, 29 commits in 3 years 8 months
Contributions summary:Jim primarily focused on enhancing the `@showprogress` macro within the `ProgressMeter.jl` library. They implemented features like handling `continue`, `break`, and `return` statements within loops, and expanded functionality to include typed and dictionary comprehensions. These modifications improved the macro's robustness and utility for monitoring the progress of various computational tasks. Furthermore, the user refactored and cleaned up the macro's internal structure.
progress-metermeterlong
JuliaLang/julia
Nov 2014 - May 2022
The Julia Programming Language
Role in this project:Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:7 reviews, 102 commits, 93 PRs in 7 years 6 months
Contributions summary:Jim contributed to the Julia programming language by implementing features, fixing bugs, and adding tests. They implemented `cd -` functionality within the REPL shell mode, introduced `inv()` for `UniformScaling`, and ensured output was directed correctly. Additionally, the user wrote tests for the shell mode's `cd` feature, ensuring code quality and verifying the new implementations.
sciencejulia-languagemachine-learningjulialangpetsc
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