Luis Montero is a research engineer with a decade of hands-on experience building privacy-preserving and production-ready ML systems, most recently at Mistral AI after a multi-year stint as a Machine Learning Engineer at Zama. He has deep expertise in applied mathematics and data science from top French institutions (École Polytechnique, Paris-Saclay) and a track record of translating research into deployable tooling, including contributions to the Concrete ML FHE framework where he integrated regression models and added support for tree-based methods and MLIR generation. Comfortable across research, DevOps and model engineering, he has worked in healthcare imaging, genomics, and product contexts, plus taught statistical learning to master’s students. Colleagues value him for bridging theoretical rigor with pragmatic engineering—improving build pipelines and reproducible benchmarks as much as model accuracy.
10 years of coding experience
7 years of employment as a software developer
Gap Year, Computer Science, Gap Year, Computer Science at CentraleSupélec
Master's degree, Data-Science, Master's degree, Data-Science at École Polytechnique
Bachelor, Mathematics, Bachelor, Mathematics at Paris-Sud University
Master, Applied Mathematics, Master, Applied Mathematics at Paris-Saclay University
Baccalauréat OIB, Sciences, Baccalauréat OIB, Sciences at Lycée Marseilleveyre
Concrete ML: Privacy Preserving ML framework using Fully Homomorphic Encryption (FHE), built on top of Concrete, with bindings to traditional ML frameworks.
Role in this project:
DevOps Engineer & ML Engineer
Contributions:3 releases, 600 reviews, 72 commits in 5 months
Contributions summary:Luis's contributions primarily revolve around enhancing the repository's build and deployment processes alongside the integration of machine learning models. They added installation steps for the GitHub CLI to the setup scripts, improving the build environment. Furthermore, the user integrated new regression models, specifically Ridge, Lasso, and ElasticNet, into the Concrete ML framework. They also added MLIR generation to the benchmark scripts and added support for XGBoost and Random Forest regressors.
Contributions:26 pushes, 1 branch, 1 comment in 4 years
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