Stuart Mentzer
President at Objexx Engineering, Inc.
Boston, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolStuart Mentzer is a veteran software engineer and founder with over 12 years of focused experience leading Objexx Engineering as President, delivering high-performance scientific and engineering software for industry, government, and academia. He combines deep technical skill in performance-critical code, testing, and build systems with long-standing leadership in applied modeling domains—ranging from structural impact and biomolecular modeling to building energy simulation. Stuart is an active contributor to DOE’s EnergyPlus project, improving unit tests and low-level array performance in ObjexxFCL, which reflects his hands-on approach to ensuring correctness and speed in large open-source scientific codebases. Trained at Stanford (BS, MS) and with ties to MIT, he brings a rare mix of rigorous academic grounding and pragmatic engineering that turns complex numerical requirements into maintainable, production-ready solutions.
12 years of coding experience
3 years of employment as a software developer
Massachusetts Institute of TechnologyMS, MS at Stanford University
Github Skills (7)
c-language10
cprogramming-language10
performance-optimization9
cmake7
simulations6
simulation6
testing6
Programming languages (6)
Github contributions (5)
NREL/EnergyPlus
Apr 2014 - Jul 2017
EnergyPlus™ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption and water use in buildings.
Role in this project:
Software Engineer (with a focus on performance and potentially testing)
Software Engineer (with a focus on performance and potentially testing)Contributions:208 commits, 25 PRs, 121 pushes in 3 years 3 months
Contributions summary:Stuart appears to be working on unit tests and low-level code improvements within the EnergyPlus project. Their commits focus on setting up and verifying unit tests using Google Test, suggesting a role in ensuring code quality and correctness. Additionally, their contributions involve optimizing and debugging code within the ObjexxFCL library, especially related to array operations, indicating involvement in performance-critical parts of the project. Furthermore, the modifications to the source files to use quotes to work with the CMake setup may indicate a build engineer.
renewable-energypower-systemsenergy-consumptionenergy-simulationsimulation
NREL/SOEP-QSS-Test
May 2021 - Nov 2024
Contributions:1 PR, 105 pushes, 2 branches in 3 years 7 months
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