Lead Data Scientist · Applied LLM & Agentic AI · Paris × London

Alice Berthaux.

Meta · Ecole Centrale Paris · ESSEC
Data · AI · Hardware
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01 — About

About me.

Full-stack data scientist building and deploying agentic LLM systems in production — from model to real-world stakeholder impact. Heavy Claude user, AI-native across all work: at Meta, in hardware, in code.

Claude Agentic AI Generative AI Hardware
Resume ↗
CurrentLead Data Scientist
Meta · London
ExpertiseAgentic AI · LLM applications
Evaluation · Causal inference
EducationEcole Centrale Paris
ESSEC
BasedParis ↔ London
02 — Experience

Experience.

July 2025
Present
Meta
Lead Data Scientist — Compliance Analytics & Agentic AI
  • Built and deployed agentic AI systems — Claude-based skills with evaluation and calibration harnesses — automating compliance checks on campaigns reaching 3B+ users
  • Designed measurement infrastructure for regulatory campaigns at billions-of-users scale
  • Managing 2 Senior Data Scientists; setting goals for a 100+ person org
  • AI governance — evaluation criteria, guardrails and red-teaming protocols
London
Feb 2019
2025
Airbnb
Senior Data Scientist
  • Shipped semantic image search (CLIP + FAISS) end-to-end, in production, before the tooling was mainstream
  • Built the 2 most-used dashboards in Airbnb's history — used daily by 200+ people (2x Data Science Award)
  • Cut annotation costs 40% with Active Learning at peak CV team growth
Paris
Jan 2018
Jan 2019
Happn
Data Scientist — First hire
  • Built propensity, LTV and pricing models from scratch — directly changed how the company grew
  • Ran full analytics lifecycle solo (acquisition to retention to monetisation)
Paris
Mar – Oct 2017
Microsoft
Data Scientist Intern
  • Student success prediction, behavioural analysis and dashboards
Tel Aviv
03 — Projects

What I build.

02 — Hardware
AEROZ
Custom digital camera

Collectible camera built on Raspberry Pi Zero 2W. Custom-cast enclosure, 3D-printed chassis, Y2K aesthetic. Limited run, art-object pricing.

EmbeddedRPi3D PrintProduct
Coming soon ↗
03 — Generative Design
Generative Objects
AI-designed lamps and home objects

Each piece starts as a prompt. AI proposes forms and surface geometry — refined across iterations, then 3D printed.

Gen AI3D PrintProduct Design
Ongoing
04 — Education

Education.

Ecole Centrale Paris
MSc Applied Mathematics
2012 — 2016
ESSEC Business School
MSc Business Analytics and Data Science
2015 — 2016
05 — Tools

My stack.

AI and ML
  • Agentic Systems
  • LLM Applications & RAG
  • Evaluation & Calibration
  • Computer Vision
  • AI Governance
Analytics
  • Causal Inference
  • A/B Experimentation
  • Funnel and Cohort Analysis
  • Statistical Modelling
  • Anomaly Detection
Engineering
  • Python, SQL, Hive
  • Airflow, Scikit-learn
  • FAISS, Nest
  • Tableau, Streamlit
  • Data Engineering
Hardware
  • Raspberry Pi and SBCs
  • 3D Printing FDM/SLA
  • Rapid Prototyping
  • AI-assisted Design
  • Consumer Electronics
06 — Contact

Let's talk.