GeorgeĀ Zagaris
Senior Computer Scientist DoD HPCMP CREATE-AV at Air Force Research Laboratory
Dayton, Ohio, United States
Summary
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Top SchoolGeorge Zagaris is a senior computer scientist with 11 years of experience building high-fidelity, massively parallel multi-physics and HPC applications for the DoD and national labs. Currently at the Air Force Research Laboratory's HPCMP CREATE-AV program, he applies deep numerical and distributed-memory expertise developed at Lawrence Livermore, Kitware, and NASA to accelerate simulation workflows on emerging architectures. A pragmatic C++ developer and QA engineer, he has contributed to the widely used MFEM finite-element library by implementing optimized linear solvers and robust unit tests, showing attention to both performance and correctness. His background in parallel mesh generation, in situ analysis, and GPU-accelerated optimization gives him a rare blend of algorithmic, systems, and practical engineering skills that bridge research and production code.
11 years of coding experience
19 years of employment as a software developer
A.S., Computer Science, A.S., Computer Science at Thomas Nelson Community CollegeM.S., Computer Science, M.S., Computer Science at William & Mary
Github Skills (11)
unit-testing10
el10
c-language10
f10
cprogramming-language10
linear-algebra10
testing10
computational-science9
scientific-computing8
parallel-computing7
hpc7
Programming languages (7)
Github contributions (5)
mfem/mfem
Oct 2019 - Feb 2020
Lightweight, general, scalable C++ library for finite element methods
Role in this project:
Backend Developer & QA Engineer
Backend Developer & QA EngineerContributions:16 commits, 2 PRs, 6 pushes in 3 months
Contributions summary:George primarily focused on enhancing the `mfem` library's linear algebra capabilities, particularly for solving linear systems. They implemented a new `LinearSolve` convenience routine for dense matrices, including optimized handling for 1x1 and 2x2 systems, and leveraging LU factorization for larger systems. The user also added unit tests to ensure the correctness and reliability of the new `LinearSolve` method and related functionality. Additionally, the user made improvements in the error handling and added the optional tolerance argument.
c-plus-plusfinitefemamrc-library
gzagaris/blt
Mar 2017 - Oct 2024
Contributions:2 pushes, 1 branch in 7 years 8 months
cppcmakedevelopingfoundationbuild-system
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