Bertrand Lefebvre
Principal Data Scientist, NLP
Boston, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolBertrand Lefebvre is a Principal Data Scientist specializing in NLP and NLU with 10 years of industry experience, currently leading NLP efforts at Optum to scale processing of medical notes. Trained as a physicist (PhD) and experienced in plasma research, he brings a strong quantitative and experimental mindset to deep learning and machine learning problems. His background includes building NLU for virtual assistants at Nuance and transitioning research-grade modeling into robust clinical text solutions. Comfortable bridging research and production, he focuses on practical LLM and deep learning applications that meet stringent healthcare requirements. Based in Boston, he combines academic rigor with product-oriented delivery and a track record of moving complex language models into operational use.
10 years of coding experience
12 years of employment as a software developer
MS (DEA), MS (DEA) at Université Pierre et Marie Curie (Paris VI)PhD, PhD at Université d'Orléans
English, French
Github Skills (17)
scipy10
gradient-descent10
fundamental10
python10
mpi10
interpolation10
blas10
ndarray10
numpy10
numerics10
lapack10
root-finding10
convolution10
finite-element-analysis10
numba10
Programming languages (1)
Github contributions (5)
bertrand-l/numpy
Jul 2015 - Feb 2017
Contributions:9 pushes, 10 branches in 1 year 7 months
numpypython
bertrand-l/LearnML
Dec 2015 - Jan 2016
Contributions:7 pushes, 1 branch, 1 issue in 1 month
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