Laurent GUILLOSSOU

Laurent GUILLOSSOU

Directeur IT | Transformation SAP S/4HANA | Retail | Membre COMEX

Groupement Mousquetaires

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Experience27+ Years
LevelCXO

Executive Overview

IT & Transformation Director | Executive Committee Member | Retail & Cooperative Networks For over 25 years, I’ve been leveraging IT as a powerful business driver. My playground: complex organizations, multi-site networks, and large-scale ERP projects. Today, within a major cooperative retail group, I lead IT transformation — a €40M annual budget, 12,500 users, 600 points of sale, and a clear direction: simplify, secure, and accelerate. Since 2021, I’ve been overseeing the deployment of SAP S/4HANA across the entire multi-brand network. A strategic, high-stakes program aimed at modernizing the core IT system, streamlining business processes, and boosting operational performance. What I enjoy: • Designing and managing robust, high-performing ERP organizations • Structuring governance and project prioritization (25/year) • Uniting teams around a shared vision, with both rigor and empathy • Turning technology into tangible value on the ground My strengths: • 25+ years of ERP experience (SAP) • Management of strategic programs (€100M+) and teams of 70+ people • Stabilization of complex IT systems and creation of ERP centers of excellence • Recognized leadership combining performance, stability, and quality Beyond the numbers, I deeply believe in collective success: listening, understanding, engaging. That’s how I work daily with over 500 member business leaders to build an IT system that serves shared success. Former CIO of Brico Dépôt (Kingfisher), I continue to blend strategic vision, operational excellence, and change management to drive lasting organizational transformation.

Career Timeline

Professional employment history
  • May 2021–Present· 5 yrs 4 mos
    • Chief Information and Organization OfficerCurrent
      May 2021–Present
  • 2014–May 2021· 7 yrs 4 mos
    • Chief Investment Officer
      2014–May 2021
  • Apr 2007–2014· 6 yrs 9 mos
    • SAP Competence Center Director
      Apr 2007–2014
  • Dec 1998–Apr 2007· 8 yrs 4 mos
    • SAP Support Alliance Manager
      Dec 2005–Apr 2007
    • SAP CRM Consultant
      May 2002–Nov 2005
    • SAP Finance Consultant
      Dec 1998–Apr 2002

Education

Master 2 – Gestion et Finance d’Entreprise (ex-DESS)

Pilotage financier, analyse de performance, stratégie finance

Université Évry Paris-Saclay

Executive Relationship Map

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Laurent GUILLOSSOU
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Skills & Expertise

20 of 20 skills
Méthodes agilesDéveloppement organisationnelDéploiement SAPCompétences de coordinationTechnologies de l’informationLeadership d’équipeCommunication écriteCommunication stratégiqueLeadership organisationnelEspritPlanification de projetsGestion des opérationsRelations avec les employésEsprit critiqueSens de l’organisationConsolidation d’équipeRésolution collaborative des problèmesBusinessGestion des conflitsRésolution de problèmes