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Marianthy PospiechMP

Average response time: 1 hour

About Marianthy

International experience in commercial and product strategy within fashion and lifestyle. Background in New York, London, and Germany with responsibility for buying, merchandising, and commercial planning across Europe, the US, and GCC. Strong focus on revenue, margin development, supplier management, and KPI-based performance tracking.
  • English

    Native or bilingual

  • Greek

    Fluent

  • German

    Conversational

Can work on-site
Düsseldorf (up to 50km), Berlin (up to 50km), Munich (up to 50km), Cologne (up to 50km), Hamburg (up to 50km)

Experience

  • Consulting
    Product & Strategy Consultant
    FASHION AND COSMETICS
    January 2026 - Today (5 months)
    Dortmund, Germany
    •Drove strategic transformation and brand elevation across DTC and retail segments.
    •Delivered measurable improvements in product–market alignment, vendor efficiency, and time-to-market speed.
    •Advised on international assortment strategy, cross-channel growth, and design-to-delivery optimization, boosting sell-through by 15%.
    portfolio management global sourcing Business development Merchandising Project Management
  • G-III Apparel Group, Ltd
    Business & Product Strategy Consultant for DKNY
    RETAIL (LARGE RETAILERS)
    January 2020 - September 2025 (5 years and 8 months)
    New York, United States
    •Cut sourcing lead times by 25% through supplier consolidation and sustainable fabric sourcing strategies
    •Accelerated seasonal collection speed-to-market by implementing digital planning and ERP tools
    •Improved online sell-through through assortment alignment and SKU-level planning
    •Increased profitability by redesigning core apparel production processes and instituting KPI-driven performance management
    •Oversaw production, quality, and fabric development via regular visits to international suppliers
    Category Management Business development Project Management Strategic planning Product management
  • Beeline GmbH
    Senior Buying Manager (Fashion Accessories, Womens, Mens, and Kids)
    RETAIL (LARGE RETAILERS)
    April 2016 - December 2019 (3 years and 8 months)
    Cologne, Germany
    •Responsible for restructuring and development of a 14-person team; increased gross profit from $17M to $60M over three years
    •Drove international growth to 3,000+ POS in 54 countries; secured U.S. retail placement in Kohl’s, CVS and Old Navy significantly increasing brand visibility and sell-through
    •Launched global e-commerce channel aligned with contemporary fashion accessories and lifestyle retail trends
    •Established and maintained long-term supplier partnerships, improving cost terms, quality, and speed-to-market
    •Defined seasonal collection strategies and assortment frameworks to align with brand positioning and consumer demand
    •Implemented KPI tracking across categories to monitor performance, optimize margin, and improve sell-through
    Product management Sourcing Team management Commercial strategy Product Development

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Education

  • BA (Hons)
    Kent Institute of Art & Design, University of Kent
    BA (Hons)

Skill set

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