Thomas Leroy

Head of Engineering & Innovation Department Decathlon πŸŒπŸ’‘ I innovate for sustainable sports products & apparel through collective intelligence.

Lille, Hauts-de-France, France

About

As Head of Engineering & Innovation for Decathlon’s €1.5B global operations, I am dedicated to a singular mission: bridging the gap between business growth and environmental regeneration. From pioneering intrapreneurial ventures to leading industrial quality at Alstom and Toyota, I specialize in global transformation. I am convinced that technical innovation is the ultimate lever for a resilient and profitable business. I lead through collective intelligence, building high-trust environments where diverse teams can thrive. My focus is on aligning cutting-edge product strategy with the urgent business and ecological demands of the future.

Experience

  • Head of Department at Decathlon International
    Jul 2023 - Present Β· 3 yrs 1 mo

  • Decathlon (14 yrs 3 mos)
    • Head of Engineering Department
      Jul 2023 - May 2025 Β· 1 yr 11 mos

      Leading and managing a Textile Engineering Center serving the Fitness, Sportswear, Kids, and Decathlon Athlete Partners perimeters, representing a global turnover of €2.5 billion. Core Missions: Overseeing product ecodesign and technical/use validation. Developing and revealing talent within the engineering teams. Actively contributing to reducing our CO2 footprint through design and industrialization processes. Key Responsibilities: Managing engineering and expert teams + multi-lolaction WW: Recruitment, skills development, and coaching (Product Engineers, Packaging Engineers, Pattern Makers, Project Managers, Test Engineers, Costing Manager, 3D Experts). Overseeing Product Design and Industrialization: Ensuring Quality-Cost-Delivery (QCD) and alignment with Product / People / Planet / Profit goals. Product Design Strategy: Defining and deploying strategies, methods, and tools to ensure design excellence. Innovation Management: Building and transforming the innovative products roadmap. Budget Management: Developing and adhering to allocated budgets. CSR Strategy Deployment: Implementing ecodesign, CO2 footprint reduction, Zero Waste design principles, developing circular products, enhancing durability, and optimizing sourcing (right-shoring).

    • Head of Engineering & Innovation Department
      Jan 2016 - Jun 2023 Β· 7 yrs 6 mos

      - Sport products (textile / marerials / accessories) Ecodesign & Technical/use Validation. - Revealing talents of people - Reducing our CO2 footprint 🎯 Market : TRAINING FITNESS πŸ“ˆ TO : 1,4 B € πŸš€ PRODUCTS TYPES MASTERED : plastic & composite / Textile / Footwear / Heavy stitched βœ” Engineering & High skilled team management (23) - Recruit & Reveal Talents (Products Engineers, Packaging Engineers, Pattern makers, Project managers, Tests Engineers, Costing Manager, 3D) βœ” Products Design & Industrialization (QCD insurance + respect of Product / people / Planet / Profit) βœ” Products Design Strategy building & deployment for best in class conception teams & tools. βœ” Innovation Management (Build & transform innovative products roadmap) βœ” Budget building & respect βœ” RSE: Eco-design / CO2 footprint reduction / minimal waste design / circular products / durability / right shoring.

    • Canyoning sport & products offer co-funder-Engineering leader-Innovative & safety products developer
      Jan 2016 - Nov 2019 Β· 3 yrs 11 mos

      Canyon sport & product offer building, products design and validation. TO 1 M€ Design, industrialization, production & sales of canyoning sport products. Products typology : Ropes, backpack, helmets, wetsuits, shoes, safety products.

  • Director Of Quality at Alstom Transport
    Jan 2008 - Mar 2011 Β· 3 yrs 3 mos

    Valenciennes plant Industrial Quality Director. Paris subway Quality Director. Train Life services - France platform Quality Director. Recruited to adapt the Toyota tools to railway industry in the biggest industrial plant of Alstom grup. Manage the quality team of the Industrial Valenciennes Plant (Grup excellency industrial plant for metro & regional trains). Insure pleasure and competencies of the quality team. Insure the quality & safety excellency of the railway materials. Insure consortium management (AREVA, BOMBARDIER...). Implement total quality management in the industrial plant.

  • Quality Engineering Specialist at Toyota
    Jan 2005 - Jan 2008 Β· 3 yrs 1 mo

    1 year : TOYOTA INDUSTRIAL MASTER FOR YOUNG ENGINEER - All car manufacturing processes knowledges developpement (welding / painting / plastic / glasses...) - Lean Manufacturing expertise - Toyota Production System validation. 2 years : Quality Engineering - In charge of Europeans suppliers panel management & quality developpement :Insure total quality of parts and High quality for assembly on the car to insure 1 car every 60 secondes. Suppliers panel audit and action plan co -building & follow-up. - In charge of Car design optimization to make industrial compatibility VS Japan design.

  • Lean Manufacturing Engineer at TEREOS
    Jan 2003 - Jan 2005 Β· 2 yrs 1 mo

    Standard work operation for manufacturing plant (sugar & bio ethanol) + International people training Total Productive Maintenance Design and set-up + International people training Production line transfer (multi site) et lean optimization