About Gregory
English
Conversational
French
Native or bilingual
Experience
- ActaDataConsultantSOFTWARE PUBLISHINGApril 2024 - November 2024 (7 months)Paris, FranceI designed and delivered professional training programs for ActaData focused on data governance, compliance, and cybersecurity. In parallel, I developed an auditable security architecture for large language models (LLMs), based on security invariants and a strict separation between intent, policy, and execution, formalized in a dedicated research paper on LLM security.
- Malakoff HumanisData Engineer / Lead Data EngineerTECHApril 2017 - September 2024 (7 years and 5 months)Paris, France• Architecture et migration du Data Lake Cloudera vers AWS (+40 % de performance)• Pipelines ML sécurisés : MLOps, CI/CD, conteneurisation Docker• Déploiement de modèles prédictifs via SageMaker avec API REST• Optimisation des flux de traitement (réduction du temps d’exécution de 60 %)
- AdayData ScientistDIGITAL AND ITDecember 2011 - March 2017 (5 years and 3 months)Paris, FranceAday — Media Aggregator• Traitement IA de flux vidéo / audio : détection publicité, filtrage contenu• Solutions BI complètes : tableaux de bord, reporting, KPIs• 4e / 1 600 participants (Kaggle)
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Education
- Master Cyber SecuriteOpen Classroom / UTT2026
- Master Mathematics : AI ClassificationParis Saclay / UVSQ2017High Honors