John Muschelli is a Research Associate Professor and biostatistician with 14 years of experience building end-to-end data pipelines and statistical tools for neuroimaging and clinical CT analysis. Based at Johns Hopkins, he combines hands-on engineering—packaging R software, Shiny apps, and CI-driven Python builds—with rigorous applied research that directly informs patient care, especially in stroke and intracranial hemorrhage. His open-source contributions span medical imaging projects like ANTs/ANTsPy (build automation and ITK work) and quality-focused testing for R packages, reflecting a rare mix of low-level devops, QA, and statistical modeling. He has repeatedly turned slow reporting workflows into dynamic, reproducible products and has led technology efforts as a co-founder/CTO, demonstrating both academic depth and practical delivery.
15 years of coding experience
8 years of employment as a software developer
Doctor of Philosophy (PhD), Biostatistics, Doctor of Philosophy (PhD), Biostatistics at Johns Hopkins Bloomberg School of Public Health
BS, Biomathematics, BS, Biomathematics at University of Scranton
A fast medical imaging analysis library in Python with algorithms for registration, segmentation, and more.
Role in this project:
DevOps Engineer & Automation Engineer
Contributions:44 commits, 1 PR, 7 comments in 10 months
Contributions summary:John primarily focused on configuring and adapting the build and deployment process for the project. Their contributions involved modifying scripts for continuous integration, including Appveyor and Travis, and updating configuration files for various platforms. The user addressed environment variables, Python versioning, and dependencies, indicating a focus on automation and build stability. Further, their changes to ITK configuration and file structures suggest involvement in the automated build process of the ITK dependency.
Contributions:43 commits, 9 PRs, 8 comments in 1 year 2 months
Contributions summary:John's contributions primarily involve modifying and updating the codebase of the ANTs project, specifically focusing on build and compilation processes. They adjusted the ITK version used and addressed potential warnings in the code. Moreover, the user has attempted to resolve thread-related issues and improve functionality related to iMath functions.
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