Freelancer profile translated to English.
Back to original languageAbout Mathis
I help companies design, deploy, and industrialize AI & GenAI products from A to Z.
From defining theuse case and ROIto **production deployment**, I act as an **AI Product Manager & GenAI Architect**, bridging business and technology.
I haveover 7 years of experiencedelivering high-impact Data and AI products for major corporations (Hermès,Chanel), with a strong specialization inLLM & RAG architectures, data governance, and theindustrializationof AI solutions.
I foundedGentia, an AI agency dedicated to supporting companies in the practical integration of AI:
- Design ofGenAI assistants(RAG, agents, business copilots)
- Selection ofmodels (OpenAI, Mistral…), vector databases, and cloud architectures
- Transition fromPOC to production(security, GDPR, MLOps, performance)
My role:transforming AI into a useful, secure, and measurable product, not just a demonstrator.
I undertake missions on a one-off or recurring basis, includingfractionalleadership, to structure an AI roadmap, align business & technical teams, and deliver truly operational solutions.
Results-oriented, pragmatic, and focused on business impact.
French
Native or bilingual
English
Fluent
Spanish
Fluent
Can work on-site
Paris (up to 50km)
Experience
- GentiaFounder & Lead AI Product Manager (Hands-on)CONSULTING AND AUDITSMay 2025 - Today (1 year and 1 month)Paris, FranceEnd-to-end management(Strategy + Technical Delivery) of multiple GenAI projects for SME and large corporate clients (Industry, Retail).As founder, I wear a dual hat: defining the product roadmap and getting hands-on with the technical architecture ("Doer").
1. STRATEGY & PRODUCT (Multi-project Vision)
*Framing & Roadmap:Needs audit, use case prioritization, and AI roadmap definition for various clients.*Business Value:Precise ROI calculation before any development (e.g., identification of levers worth several M€/year).*Management:Coordination of business and tech teams, backlog management, and Agile ritual facilitation.2. ARCHITECTURE & TECH (Hands-on Role)
*Solution Architect:Design of scalable and secure RAG (Retrieval-Augmented Generation) architectures.*Technical Stack:Selection and implementation of technological components (OpenAI, Mistral, Pinecone/Qdrant, LangChain, Azure/GCP).*Industrialization:Complete supervision of the transition from POC to Production (Security, GDPR, MLOps Pipelines).3. EXAMPLE PROJECT (Industry Sector)
🏭 Industry: Quote Manager & RAG Assistant- Automation of complex quotes through technical documentation querying.
🤝 HR: Intelligent Matching Engine- Development of a semantic matching tool between CVs and Job Descriptions using Embeddings/LLM.
📞 Customer Relations: Automated Customer Service & Phone Agent- Implementation of a Customer Service Chatbot (RAG on knowledge base) and a Phone Agent (Voice AI).
- HermèsLead AI Product Manager & Solution ArchitectLUXURY GOODSJuly 2022 - April 2025 (2 years and 9 months)Paris, FranceManagement of AI strategy and industrialization of GenAI solutions for the Group.Pivotal role between business departments (HR, Retail) and IT to transform AI opportunities into secure products.
1. STRATEGY & PRODUCT MANAGEMENT
*AI Roadmap:Definition of the GenAI roadmap and prioritization of high-ROI use cases.*Stakeholder Management:Coordination of C-Levels and technical teams.*Framing:User Discovery workshops and definition of success KPIs.2. TECHNICAL ARCHITECTURE (RAG)
*Solution Design:Design of a robust RAG (Retrieval-Augmented Generation) architecture for an internal document analysis assistant.*Technical Stack:Selection and implementation of components:OpenAI, Pinecone (Vector DB), LangChain.*Tech Lead:Drafting architecture decision records (ADRs) and infrastructure choices onGCP.3. GOVERNANCE & SECURITY
- Compliance: Definition of security standards for AI and ensuring confidentiality of sensitive data (GDPR/PII).
- Acculturation: Upskilling teams on LLM challenges.
- ChanelData Product Manager & Data ArchitectLUXURY GOODSSeptember 2020 - January 2022 (1 year and 4 months)Paris, FranceStructuring the company's data landscape to enable Analytics & AI use cases.Data Architect and Product Manager role to ensure the quality and accessibility of business data (Fragrance, Beauty).
1. DATA ARCHITECTURE & MODELING
*Modeling:Facilitating business workshops to design enterprise data models (MCD/CDM) aligned with business needs.*Data Catalog:Structuring and deploying the data catalog to map the Data assets.2. GOVERNANCE & QUALITY
*Roles & Responsibilities:Clarification and definition of key roles (Data Stewards, Data Owners) to ensure data maintenance.*Data Quality:Establishing essential quality standards to ensure the reliability of future AI models and Reporting.3. ADOPTION & CULTURE
*Change Management:Supporting business units in adopting new Data tools and standards.
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Education
- Master of Science (MS) - Information Systems Management (MSIR)ESSEC Business School2021Focus : Stratégie IT & Business. Alignement stratégique entre les enjeux Business et l'IT. Management de projet complexe et Transformation Digitale. Gestion financière et ROI des projets technologiques.
- Master of Science (MS) - Information Systems Management (MSIR)Télécom Paris2021Focus : Architecture & Tech. Architecture des Systèmes d'Information et Urbanisation. Cloud Computing et Infrastructures scalables. État de l'art technologique.