You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Guillaume CourregesGC

Guillaume Courreges

IT strategy / M&A

€1,200/day
Paris, FR
8-15 years

Average response time: 1 hour

About Guillaume

I partner with executive teams to define and deliver enterprise-wide digital roadmaps that modernize landscapes and drive performance.
As a Swiss-army-knife IT strategist, I bridge the gap between deep technical fluency and business acumen to optimize complex processes and ensure technology serves as a catalyst for human progress.
  • French

    Native or bilingual

  • English

    Native or bilingual

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

Experience

  • Gartner
    IT Strategy Associate Director
    May 2025 - Today (1 year and 2 months)
    Architected tech-driven roadmaps for global clients, converting complex operational bottlenecks into competitive advantages through targeted strategic interventions and emerging technology frameworks


    AI@Scale roadmap – Luxury
    Scaled AI from experimentation to enterprise adoption by defining architecture standards and an AI Operating Model. Established a Center of Enablement, delivered an AI Blueprint, and created a governance and security roadmap for GenAI
    Outcomes : Established AI architecture standards and AI TOM/CoE, mitigating shadow AI risks and enabling secure, coordinated scaling across business units


    Integration Strategy roadmap – Industrial Goods
    Designed an integration strategy and federated C4E operating model to replace a legacy monolith with an agile hybrid platform.
    Outcomes : Delivered an actionable integration strategy blueprint based on API-first principles and a costed, multi-year migration roadmap, securing CIO approval and prompting immediate execution by the client
    IT Architecture Corporate Strategy Target Operating Model Intégration Artificial Intelligence (AI)
  • BCG
    IT Manager
    September 2022 - December 2024 (2 years and 3 months)
    Partnered with executive leadership to resolve complex architectural bottlenecks, deploying high-impact, tech-enabled interventions that optimized operational resilience and reduced total cost of ownership


    IT roadmap – Industrial Goods
    Engineered a comprehensive, agile IT transformation strategy focused on scalable core technology and integrated applications, overhauling infrastructure and processes for progressive organizational growth.
    Outcomes : Developed an ERP-focused IT strategy, aligning operations with future needs, optimizing architecture, structuring IT, and outlining a cost-effective transformation roadmap

    Target Operating Model – Telecom
    Crafted an operational framework incorporating control towers that bridge business and IT, strengthening CIO-led strategies and IT governance for an organization exceeding 2000 employees.
    Outcomes : Enhanced IT-business synergy, accelerated time-to-market, optimized system updates, strengthened collaboration, and boosted team engagement

    Phase-Out – Maritime Transport
    Strategized an exit from a decade-old ERP CDP system for a leading French maritime company, focusing on aligning IT with business needs and set clear objectives, streamlined requirements, and devised a 1.5-year roadmap.
    Outcomes : 40% effort reduction, alignment of business & IT, and an 80% projected cost savings

    De-Risking – Professional Services
    Steered an ERP (SAP S/4HANA public cloud) IT de-risking project to live status, collaborating with diverse teams to address business and IT vulnerabilities.
    Outcomes : Overcame a 35M€ budget overrun and 9-month delay to realign the project successfully
    IT Strategy Transformation digitale IT Roadmapping Enterprise Transformation Business-IT Alignment
  • Deloitte
    Manager
    February 2016 - September 2022 (6 years and 7 months)
    Orchestrated the implementation of enterprise-grade IT solutions, streamlining cross-functional operations and aligning multi-year project lifecycles with core business KPIs to achieve peak organizational efficiency

    Carve-Out – Chemistry
    Heading the Separation Office for a global carve-out, leading 30+ professionals managing 200+ applications. Overseeing risks, budget, resources, and strategy to ensure seamless execution, reporting to C-suite.
    Outcomes : Go-live successfully completed, with full physical separation of both entities achieved

    Full Scope ERP implementation – Manufacturer
    Process lead of several business logistic modules of a full scope SAP S/4HANA implementation, led a team of seven consultants, involved from design to production go-lives.
    Outcomes : Optimized warehousing, sales, supply chain, and production in civil and military aerospace manufacturing

    Carve-Out – Retailer
    Overseeing various IT operations for a retailer undergoing a carve-out, which includes managing the ERP system and the segmentation and establishment of 300+ European stores infrastructures.
    Outcomes : Established an independent operational structure and systems, ensuring business continuity and setting the stage for autonomous growth

    Full Scope ERP implementation – Retailer
    Led a team of four developers to design and implement SAP S/4HANA Cloud purchasing and financial applications, overseeing architecture, development, customization, and rollout.
    Outcomes : Executed Europe's first SAP S/4HANA public cloud implementation, meeting high standards of quality, within budget and on schedule

    E-procurement implementations
    Led sourcing and procurement projects, managing a team of three consultants and overseeing design, execution, launch, and training.
    Outcomes : Streamlined sourcing and procurement processes and reduced transactional costs, leading to better negotiation outcomes
    Enterprise Architecture IT Operating Model PMI Due Diligence

Recommendations

Be the first to recommend Guillaume

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Strategy Consulting
    Strategy Consulting
  • MIAGE Business IT master's degree
    Paris-Saclay University
    2016
    MIAGE Business IT master's degree

Skill set

Categories