Thomas Roy
Staff Scientist at Lawrence Livermore National Laboratory
Livermore, California, United States
Summary
👤
Senior🎓
Top SchoolThomas Roy is a Staff Scientist at Lawrence Livermore National Laboratory with eight years of experience applying advanced mathematical modelling and high-performance numerical methods to engineering problems. He specializes in solvers and topology optimization for electrochemical applications, bringing together DPhil-level theory from Oxford with hands-on implementation in production-grade code. An active contributor to the Firedrake FEM project, he’s improved core back-end performance and assembly integration—work that bridges research and scalable scientific software. Known for teaching and mentoring through earlier academic roles, he combines rigorous analysis with practical software engineering to deliver reliable, high-performance simulation tools.
8 years of coding experience
1 year of employment as a software developer
Student Exchange, Mathematics, Student Exchange, Mathematics at Korea UniversityDPhil, Industrially Focused Mathematical Modelling, DPhil, Industrially Focused Mathematical Modelling at University of OxfordDEC (Sciences de la nature), DEC (Sciences de la nature) at Cégep de l'OutaouaisMaster of Science (MSc), Mathematics, Master of Science (MSc), Mathematics at University of OttawaDES, DES at Collège Saint-Alexandre
French, English
Github Skills (5)
petsc10
finite-element-analysis10
el10
f10
python10
Programming languages (2)
Github contributions (5)
firedrakeproject/firedrake
Aug 2018 - May 2020
Firedrake is an automated system for the portable solution of partial differential equations using the finite element method (FEM)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:18 commits, 4 PRs, 1 push in 1 year 8 months
Contributions summary:Thomas contributed to the Firedrake project by implementing and modifying core functionalities within the finite element method (FEM) framework. Their work involved adding and utilizing the `@cached_property` decorator in multiple files, including `solving_utils.py` and `dmhooks.py`. The user also made modifications to `matrix_free/preconditioners.py`, and addressed issues in the compilation process. These changes demonstrate a focus on improving performance and integration of assembly processes.
equationspartialfemmethodsimulation
LLNL/echemfem
Jul 2022 - Jan 2023
Finite Element Method for Electrochemical Transport (EchemFEM)
Contributions:2 releases, 36 commits, 7 PRs in 6 months
discontinuous-galerkinelectrochemistryfinite-element-methodfiredrakepython
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