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Alexandre BrethesAB

Alexandre Brethes

Chief AI Officer / GenAI Strategy & Deployment

€1,200/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alexandre

After several years leading AI transformation programs, I now directly support executives, executive committees, and business departments. This includes defining their AI strategy, scoping high-value use cases, designing suitable GenAI architectures (RAG, agents, LLMOps), and managing the associated change process to transition from individual use to collective adoption.

My background combines experience in consulting (Wavestone, Sopra Steria Next) and leading AI transformation programs at major corporations: FIDAL, MANE & Fils, TotalEnergies, Stellantis, La Poste, CNAM.

What I bring:
  • Rare expertise at the intersection of AI strategy, product, and architecture
  • Personalized support, from strategic scoping to operational deployment
  • AI-native methodologies, evaluation frameworks, GenAI accelerators
  • Business + technical vision aligning ambition, feasibility, and ROI

Target missions: Fractional Chief AI Officer, Executive Committee Advisory, AI strategic scoping, GenAI architecture design, transformation program management.
  • French

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • FIDAL Avocats
    GenAI Platform Design (via Sopra Steria Next)
    LEGAL
    November 2024 - January 2026 (1 year and 2 months)
    Paris, France
    Design and management of the development of the GenAI platform for FIDAL Avocats' 1500+ lawyers and legal professionals. An industrial platform for leveraging internal and external data and transforming business processes.

    Key achievements:
    • Identification of priority use cases and features
    • Development of functional, technical, and change management roadmaps
    • Writing specifications, leading technical teams, risk management
    • Conducting targeted training sessions on GenAI usage and user coaching
    • Regular reporting to CEO, CIO, CTO, and business sponsors; fostering the user ecosystem to ensure adoption
    • Gradual deployment across the firm
    Skills used: GenAI Product Management, AI platform design, change management, RAG, prompt architecture, technical leadership, compliance.
    AI Product Management Generative AI RAG Change management Prompt engineering
  • Sopra Steria
    GenAI Transformation - Program Manager
    DIGITAL AND IT
    May 2024 - January 2026 (1 year and 8 months)
    Paris, France
    Leading the GenAI transformation program for Sopra Steria Next's internal Consulting, Sales, and Legal departments. Managing functional, technical, and change management teams (10-20 FTEs) involved in various projects.

    Key achievements:
    • Audit of internal document bases and processes, identifying gaps and areas for improvement
    • Liaison with clients, sponsors, and end-users of projects
    • Definition of product vision, construction of roadmaps (functional, technical, change management) and associated workload plans
    • Change management leadership for business and IT departments: needs assessment, prioritization, support in practical adoption
    • Executive reporting, budget securing, risk, resource, and stakeholder management
    • Industrialization of the most mature use cases, scaling to all teams

    Parallel advisory missions in GenAI during this period: La Poste, CNAM.

    Skills used: GenAI Program Management, product vision, change management, auditing, C-level reporting, budgeting, securing and industrializing complex programs.
    Change management Generative AI Program Management Business strategy Digital & AI Transformation
  • MANE & Fils
    PLM Design - Enterprise Architect (via Sopra Steria Next)
    CHEMICAL
    March 2023 - April 2024 (1 year and 1 month)
    Paris, France
    Scoping & design of the new PLM as part of the company's ten-year transformation program.
    • Analysis and formalization of the strategic vision + Assistance in transverse program management
    • Ideation and identification of Data/AI use cases + Facilitation of business-PLM alignment workshops
    • Construction of the Architecture stream & realization of the functional architecture for the future tool
    Enterprise Architecture PLM Project scoping Business strategy Business analysis

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Education

  • M.Sc. Informatique & Interactions numériques)
    2020
    M.Sc. Informatique & Interactions numériques)
  • Dynamics 365 Fundamentals
    Dynamics 365 Fundamentals

Skill set

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