About Guillaume
Hi, I’m Guillaume. I help creative teams put generative AI into production.
French
Native or bilingual
English
Fluent
Experience
- Leonard Intelligence· AI AgencyProduct Director & Co-founderJanuary 2025 - Today (1 year and 5 months)FranceSovereign AI studio. Custom LLM solutions, fine-tuning of open models, deployed on private cloud.
- Client AI systems. Shipped sovereign LLM workflows for business operations: RAG, function-calling chains, human-in-the-loop checkpoints and private-cloud deployment.
- Product interfaces. Designed dashboards and supervision views for AI workflows in production: monitoring, validation, task routing and operational UX.
- In-house products. Led product architecture for Aura, an AI-enabled agency OS, and Prometheus, an agentic sales assistant connected to business data.
LLM · RAG · AGENTS · MCP · FINE-TUNING · PRIVATE CLOUD · B2B - FantaziaFounderENTERTAINMENT AND LEISUREMarch 2025 - Today (1 year and 3 months)AI filmmaking platform turning creative intent into structured audiovisual production. Inspired by Google DeepMind's Dramatron.
- Generative production engine. Built the product architecture for a multi-agent filmmaking platform, from story planning to shots, voice, music and edit.
- Agentic workflow design. Designed specialized agents, shared memory, task handoff and quality arbitration to keep creative outputs coherent across the pipeline.
- Creative traction. Grew a waitlist of 1,000+ creators before launch.
MULTI-AGENT ARCHITECTURE · PLANNING · TOOL USE ·AGENT COLLABORATION · GENERATIVE VIDEO - MyDid · Deep tech startupProduct OwnerFebruary 2023 - January 2024 (11 months)Marseille, FranceTranslated cryptographic R&D (DID, verifiable credentials) into a concrete B2B product, then accompanied the team's pivot toward AI.
- R&D to market. Turned cryptographic primitives into B2B use cases addressable by non-technical buyers.
- Pivot to AI. Contributed to the shift from identity infrastructure toward AI products, shaping product direction of the new positioning.
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Education
- Expert en ingénierie de la communication digitaleHetic2018