Eric-Tuan Lê
Ai Research Scientist @Meta
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WORK HISTORY
Ai Research Scientist @Meta
London, GB
o GenAI 3D: Trained and evaluated flow-matching models for 3D shape editing/enhancement, learning time-conditioned velocity fields over SDF fields; improved geometric fidelity, edit controllability, and stability with few-step ODE sampling, classifier-free guidance, and ablations on path parameterizations.o Llama post-training (multimodal: text + image): Contributed to Llama 3 & 4 across three tracks(1) structured-image tuning/alignment to reliably parse and follow instructions over charts, tables, forms, and UI screenshots;(2) synthetic QA: scaled generation and filtering of instruction–answer pairs to broaden coverage and difficulty, improving instruction-following and factuality;(3) reasoning models with SFT → RL: supervised fine-tuning for policy initialization followed by RL-based preference optimization to strengthen step-by-step reasoning quality and answer consistency.
EDUCATION
ENS Paris-Saclay
Master of Research in Computer Vision & Machine Learning (Master MVA), Computer Vision and Machine Learning
Lycée Hoche
Preparatory classes for French "Grandes Ecoles", GPA: 4.00, Mathematics and Physics
CentraleSupélec
Master of Science in Applied Mathematics
ESCP Business School
Master In Management
Singapore Management University
Exchange Program
UCL
Doctor of Philosophy - PhD, Computer Vision & Graphics, Deep Learning
ABOUT ERIC-TUAN LÊ
I’m a Research Scientist at Meta AI focused on multimodal reasoning in Llama vision-language models. I work on SFT→RL post-training to improve step-by-step reasoning quality and answer consistency on text+image tasks. On a separate track, I’ve done post-training for structured images (charts, tables, forms, UI) and synthetic QA generation/filtering to broaden coverage. I previously worked on 3D generative modeling: flow matching over SDFs for 3D shape editing and enhancement, and earlier, SDS for 4D (3D + time).I earned my PhD at UCL’s Smart Geometry Processing Group under Iasonas Kokkinos and Niloy J. Mitra, specializing in deep learning, computer vision, and computer graphics, with a focus on 3D representation and reconstruction. Prior internships include Adobe Research (ICCV’21 + patent), Snap (CVPR’24 + patent), and Meta AI. I also review for CVPR, ICCV, ECCV, and NeurIPS.
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