Sebastien Loriot
R&D Engineer at GeometryFactory
France
Summary
🤩
Rockstar🎓
Top SchoolSebastien Loriot is an R&D engineer with 19 years of experience specializing in computational geometry and robust C++ back-end development, currently driving research and product engineering at GeometryFactory in France. His career blends deep academic roots—a PhD and postdoc at INRIA—with long-term industry delivery, focusing on hardening complex geometry libraries and shipping reliable code. He has contributed to CGAL, improving robustness and adding guard conditions in core kernel and polyhedron IO components, reflecting a pragmatic attention to correctness in numerical and geometric software. Combining research rigor with entrepreneurial training from HEC Paris, he brings both theoretical depth and product-minded problem solving to challenging engineering problems.
19 years of coding experience
Université Bourgogne EuropeMaster's degree, Entrepreneurship/Entrepreneurial Studies, Master's degree, Entrepreneurship/Entrepreneurial Studies at HEC Paris
Stackoverflow
6,135reputation
237kreached
280answers
2questions
geometry
top-5%
Github Skills (19)
c-language10
refactor10
refactoring10
cprogramming-language10
geometry9
debugging9
data-structures8
data-structure8
algorithms8
algorithm8
triangulation6
delaunay6
computational-geometry6
surface6
3d6
Programming languages (9)
Github contributions (5)
CGAL/cgal
Dec 2006 - Dec 2022
The public CGAL repository, see the README below
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 984 reviews, 9254 commits in 16 years 3 months
Contributions summary:Sebastien's contributions centered around refactoring and improving the robustness of the code within the CGAL library, specifically in the `Filtered_kernel/include/CGAL/Lazy.h` and `Polyhedron/include/CGAL/IO/Polyhedron_OFF_iostream.h` files. They were responsible for implementing bug fixes, code enhancements and code cleanup to maintain and improve the functionality of the software. The user also focused on improving the robustness of the code by adding a variety of guard conditions.
cgalc-plus-plusgeometrycpptemplate-library
CGAL/cgal.github.io
Sep 2020 - Jul 2026
Github io repo for hosting documentation builds
Contributions:598 pushes, 1 branch in 5 years 11 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.