John Leeman
Consultant at Leeman Geophysical LLC
Siloam Springs, Arkansas, United States
Summary
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Rockstar🎓
Top SchoolJohn Leeman is a geophysical consultant and software engineer with 12 years of experience applying domain expertise to instrumentation, data analysis, and bespoke scientific software. He runs Leeman Geophysical LLC, partnering with scientists and engineers to tackle challenging physical-science problems from hardware design to end-to-end data workflows. His background spans academic research on fault electrical and mechanical behavior at Penn State, lab-scale experimental work on gas hydrates, and NASA telemetry visualization—demonstrating comfort across field, lab, and software environments. An active open-source contributor, he has enhanced MetPy with thermodynamic and precipitable-water tools and improved examples and docs to make advanced meteorological calculations more accessible. Based in Siloam Springs, Arkansas, he blends rigorous geoscience training with practical engineering, often delivering solutions that bridge experimental apparatus and reproducible analysis pipelines.
12 years of coding experience
Geological and Earth Sciences/Geosciences, Geological and Earth Sciences/Geosciences at Penn State UniversityBachelor of Science (B.S.), Geophysics, Meteorology, Mathematics, Bachelor of Science (B.S.), Geophysics, Meteorology, Mathematics at University of Oklahoma
Stackoverflow
35reputation
387reached
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Github Skills (11)
meteorology10
atmosphere10
thermodynamics10
science10
python10
scientific-computing10
numpy10
unit-testing8
xa7
data-analysis7
xray7
Programming languages (12)
Github contributions (5)
Unidata/MetPy
Feb 2016 - Jan 2020
MetPy is a collection of tools in Python for reading, visualizing and performing calculations with weather data.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:435 commits, 249 PRs, 80 pushes in 3 years 11 months
Contributions summary:John primarily contributed to enhancing the `metpy` library with several features. They added the Local Free Convection (LFC) and Equilibrium Level (EL) calculations, along with tools for line intersection and specific humidity to the thermo calculations. Furthermore, the user implemented and tested functions for precipitable water, and they updated examples and tutorials to use the new interfaces, enhancing user documentation and demonstrating practical uses of MetPy's features.
hodographmeteorologypythoncalculationsatmospheric-science
jrleeman/biaxtools
Oct 2015 - Apr 2020
Contributions:6 pushes, 1 branch, 1 comment in 4 years 6 months
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