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Jean-Francois JouannaisJJ

Jean-Francois Jouannais

Data & AI Strategy Consultant

€650/day
Lille, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jean-Francois

🎯 I help companies create value through data and artificial intelligence.

Data & AI Leader with over 10 years of experience in retail, logistics, and e-commerce sectors, I am currently Head of Data & AI at Decathlon Digital.

I drive high-impact data strategies, manage multidisciplinary teams, and connect data to business, technological, and human challenges.

Today, I offer targeted, ad-hoc support to help companies:

Define a clear and operational data strategy

Implement a modern BI stack (DBT, Databricks, Tableau…)

Structure or evolve their data organization and governance

Develop their data culture and support business teams

Launch AI or generative AI projects with a pragmatic approach

🔍 I work with startups, scale-ups, and large companies, in direct contact with founders, C-level executives, or business managers.

đź’ˇ Currently available for:

Strategic Data Audits (1 to 2 days)

Ad-hoc Consulting Sessions (remote or in-person)

CDO-as-a-Service Missions (management, structuring, strategy)
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Decathlon Digital
    Senior Manager Data Logistics and Transport
    January 2024 - Today (2 years and 5 months)
    Croix, France
    In the international context of Decathlon (80 Warehouses and all transport from factories to stores), implementation of the data strategy for the entire area and leadership of the team :
    - writing and implementation of the vision and project
    - build and animate a multi-disciplinary team of 23 teammates (Managers, Analytics Engineer, Data Analyst, BI Engineer, Data Scientist)
    - animation of
    - data acculturation
    - self-service analytics
    - real time analytics
    - innovation with IA et genAI (optimisation, forecast, computer vision..)

    DBT, Databricks, Tableau, AWS S3, bedrock, OR tools ...
    Data Analysis Data Visualization Data Science Change Management Data Strategy
  • Decathlon Digital
    Head Of Data Solution Management
    July 2023 - December 2023 (5 months)
    Croix, France
    DSMs are responsible for being the single point of contact (SPOC) for each business domain : collection of needs, prioritization, planning, delivery monitoring, synchronization of data teams, etc. In order to simplify the data experience. Each DSM establishes the tactics of the program in line with the strategy of the business leaders. As Head of DSM :
    - recruit and animate the DSM
    - catalyst the data culture and becoming data driven
    - implementation of a common operating model to be scalable in all businesses
    - implementation of agile methods of common work and agility at scale
    - build connections with technical teams, Product Managers, Group Products Manager, data platform, Technical Program Managers, data domain, data governance, analytics teams, IA...
    Agile at Scale Program Management Data Analysis Data Science Artificial Intelligence
  • Decathlon Digital
    Head of BI Factory
    April 2022 - July 2023 (1 year and 3 months)
    Croix, France
    Build the BI factory (centralized team) from the legacy to respond to the different businesses :
    - multidisciplinary team of 50 people : BI Managers, Software Engineer Manager, software engineer, BI Engineer, Analytics Engineer, Product Managers, Scrum master
    - direct animation : 3 Managers, 5 collaborators, 6 external
    - recruitment of Managers and collaborators
    - writing of the BI strategy for the group
    - rationalization of the stack to converge on the business strategy in order to move towards a modern stack (DBT, Databricks, Tableau)
    - implementation of the operating model within the BI Factory
    - implementation of agility at scale (SAFE)
    - change management towards the new stack
    - project portfolio management
    - budget
    Data Analysis Data Product Management Team Management

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Education

  • Engineer, Information Systems
    EFREI - French School of Electronics and Computer Science
    2011
    ingénieur, Systèmes d'Information

Skill set (31)

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