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Thomas GeffardTG

Thomas Geffard

Management Controller & BI

€650/day
Nantes, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Thomas

Performance management consultant, I support SMEs and financial departments in structuring their decision-making tools and improving their profitability.

I work on high-value-added project missions:
• Design and redesign of multi-dimensional profitability models (customers, products, activities)
• Structuring and automation of budgeting and reforecasting processes
• Deployment of decision-making tools (Advanced Excel, Power Query, Power BI)
• Validation and structuring of performance data

My approach is impact-oriented: producing robust, usable tools that are genuinely useful to both teams and management.
  • French

    Native or bilingual

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

Experience

  • Atelier-Perf
    Management Control Consultant & Structuring of Steering Tools
    January 2026 - Today (5 months)
    Pornic, France
    Consultant specializing in structuring steering tools and financial performance modeling.

    Involved in project missions:

    • Design and redesign of multi-dimensional profitability models (customers, products, activities)
    • Structuring and automation of budgeting and reforecasting processes
    • Analysis of margins and identification of optimization levers
    • Automation of decision-making tools (Advanced Excel, Power Query, Power BI)
    • Validation and structuring of performance data

    Approach focused on concrete deliverables, model robustness, and usability by teams and management.
  • Seris France
    Central Management Controller
    PUBLIC SAFETY
    May 2021 - January 2026 (4 years and 8 months)
    Saint-Nazaire, France
    Structuring of economic steering tools at the central level.

    • Design of a customer profitability analysis model structuring cost allocation and margin reading
    • Complete overhaul of the budgeting process (projection, consolidation, dissemination)
    • Development of a productivity monitoring tool used over several years
    • Structuring and automation of closing and reporting tools
    • Interface between financial department, operations, and management control

    Strong focus on structuring, modeling, and automation.
  • Seris France
    Operational Management Controller
    PUBLIC SAFETY
    September 2019 - May 2021 (1 year and 8 months)
    Saint-Nazaire, France
    Supporting operational teams in the economic management of their activities.

    • Preparation of forecasts and budget monitoring
    • Analysis of margins by customer and activity
    • Identification of optimization levers
    • Facilitation of performance reviews
    • Role of interface and teaching for operations managers

    Field-oriented position and decision support.

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Skill set

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