Who runs it
Jean-Christophe Vermeersch
Finance & Transformation Director · Founder and President of Keystone
Finance, transformation, business systems. From the industrial floor to the finance leadership of large groups, one thread: aligning steering, organisation and tools with value creation, without breaking what works.
At the interface of executive management, business teams and IT. Today, as an independent consultant through Keystone, for company leaders and SMEs.
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Skills & expertise
Core skills
- Finance leadership
- Transformation & performance
- Economic steering
- ERP & Business Central programmes
- Business-tools governance
- Change management
- Project portfolio steering
- Business · IT · Management interface
Areas of expertise
- Finance & management control
- ERP & business systems
- ERP Business Central & data foundation (Fabric, Power BI)
- Organisation & processes
- Operational transformation
- PMO & project governance
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Professional experience
Since late 2021, independent consulting through Keystone. Before that, Finance and IS leadership roles in large groups.
Independent consulting · Keystone
Apr. 2026 - presentICM Group
United Kingdom / Italy
Lead, ERP Business Central (Naviwest) deployment
Leading the deployment of Microsoft Dynamics 365 Business Central (Naviwest vertical) for an international industrial group, across its UK and Italy entities.
- Project framing and steering at the interface of executive management, business teams and IT
- Target design and functional configuration (finance, procurement, logistics, sales)
- Multi-country and multi-entity coordination
- Setting up a group data foundation (Microsoft Fabric, Power BI)
- Change management and team training
Apr. 2023 - Mar. 2026ICM Group
Paris
Director, Finance, Transformation & Business Tools
Finance leadership and operational transformation, with responsibility for business-tools governance, in an international industrial environment.
- Structuring financial steering and improving forecast reliability
- Harmonising Finance and Project processes
- Steering the evolution of the business ERP
- Establishing governance of business tools
- Interface between executive management, business teams and the IT department
May 2022 - Mar. 2023Ferroglobe
Dunkerque
Consultant · Industrial ERP deployment
Support for the deployment of an ERP covering Production, Logistics, Sales and Finance, in an international industrial environment.
- Industrial ERP change management
- Functional configuration, test management and data migration
- Coordination with the international group IT department
Dec. 2021 - May 2022Mobilis Family Office
Roubaix
Consultant · Finance IS transformation
Audit of the Finance information system and definition of a transformation roadmap.
- Assessment of the Finance IS functional coverage
- Analysis of business processes and tools
- Definition of the transformation roadmap
Salaried roles · large groups
2020 - 2022Nhood / Ceetrus
Croix
Finance Director · Property & Services division
Transformation of the Finance France function, amid operational reorganisation and information-system evolution.
- Reorganisation of the Finance teams
- Creation of steering functions (internal control, assets, projects)
- Steering the real estate ERP migration
- Digitalisation of budget processes and operational workflows
- Implementation of decision reporting and steering indicators
2018 - 2019Ceetrus
Croix
Real estate ERP programme manager
Steering the programme to stabilise and transform the real estate management IS, following a critical ERP change.
- Operational stabilisation of the real estate IS
- Interface between business teams and IT in crisis management
- Steering the replacement of the rental-management and accounting ERPs
- Structuring of business processes
2008 - 2016AG2R La Mondiale
France
Director, IT governance
Steering project governance and the cross-functional units of the IT department, in a large-group environment.
- Steering a portfolio of 200 IS projects
- Setting up project governance and the PMO
- Resource allocation and IT budget steering
- Integration of project risk management
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Earlier roles
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2001 - 2008
AG2R La Mondiale
Director, Real Estate Administration
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1999 - 2001
AG2R La Mondiale
Organisation Officer
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1997 - 1999
Federal Express
Senior Analyst, Europe
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1995 - 1997
Decathlon
Financial Organiser / Accountant
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Built in-house
Keystone tools
Tailored business applications, adaptable to your processes
Beyond consulting, Keystone builds its own web applications. Several are already in use: Cockpeet for project budget arbitration, Evalia for annual reviews, Cresco for objectives tracking, Clavis for risk assessment, Mercas for sales tracking. Each one starts from a real process and adapts fully to the company's context, its roles, its rules and its vocabulary.
See the applications →