Grégory Barbier

👋 I am Grégory Barbier, founder of GBA Consult, an ERP consultant with 16 years of experience in information system security, authorizations, and governance.

💡My expertise is structured around two main areas:

🔹 SAP (S/4HANA, Fiori, GRC, IDM, IAM)

-Authorization design and management

-S/4HANA Upgrade & Migration

-SAP GRC Implementation (ARA, EAM, BRM, ARQ) and SoD matrix definition

-Audit, regulatory compliance, and system security

🔹 Dynamics 365 Finance & Operations

-Electronic invoicing compliance (B2B/B2G/B2C)

-License management and authorization remediation strategy

-Support for business and IT teams

I work as a senior consultant and ERP project manager on complex environments, both in the public sector (AIFE, Ministry of Finance, MRBC) and in large private companies (Nexecur – Crédit Agricole, Engie, Kering, Constellium, Arkema, Generali, Eutelsat, La Poste…).

🎯 Services offered:

-Scoping and definition of business needs

-Securing SAP and Dynamics environments

-Implementation of compliance and risk management solutions

-End-to-end ERP project management (AMOA / AMOE)

-Support for internal teams and skills transfer

⚙️ Methodology:

I favor a pragmatic and collaborative approach:

-Needs analysis and clear scoping with business departments

-Development of an adapted strategy (security, migration, compliance)

-Deployment with risk management and documentation

-Training and skills transfer to ensure team autonomy

My added value:

✅ Rare dual expertise: SAP & Dynamics 365

✅ Proven experience in governance, security, and compliance

✅ ERP project management (scoping, governance, business/IT coordination, Agile & V-Cycle methodologies)

📌 Available as a freelancer to support your ERP projects: security, compliance, migration, and management.