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Christophe S.CS

Christophe S.

E-commerce Director | Interim Manager

€830/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Christophe

Interim Manager& E-commerce Director (15 years of experience). I support E-commerce & Retail management in drastically optimizing their profitability (+141% revenue at Printemps, +38% conversion rate at Made In Design).

My focus: transforming complex ecosystems and large media budgets (>€4M) into concrete growth drivers for yourrevenueand your **P&L**.

🎯What I bring to your organization:
  • -Business Unit Management:Team management (up to 5 FTEs), recruitment, and talent development (Acquisition, E-merchandisers). Full e-commerce division management.
  • -Strategic & Budgetary Steering:Optimization of media budgets up to €4.5M (SEA, Social Ads, Affiliation...) with an obsession for ROAS and COS reduction.
  • -Conversion Acceleration (CRO):Advanced expertise in UX and A/B Testing (+38% conversion rate recently generated on an international scope).
  • -International Expansion:Deployment and structuring of e-commerce activities in the UK, DE, IT, CH, BE, ES, and NL markets.

🛠️Key Expertise:
  • -Multi-channel Acquisition:SEO, SEA, Social Ads, Affiliation, and Retargeting.
  • -Data & Tech:Steering via **GA4**, GTM, Looker Studio, and mastery of major CMS (Hybris, WordPress, Magento).
  • -Operational E-commerce:Ecosystem redesign and commercial animation planning.

📈Some recent successes:
  • -Printemps:+141% revenue vs. previous year internationally.
  • -Made In Design:+6% revenue at constant budget and 10% reduction in agency fees.
  • -Editions Larivière:+93% revenue with a 20% budget reduction.

Available immediately forInterim Management**, **E-commerce Director**, **Head of Growth**, or **Digital Strategy Consultingassignments.
Let's discuss your challenges!
  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
Paris (up to 30km)

Experience

  • LITTLE WORKER
    Consulting Director - Performance, CRO & Acquisition
    CIVIL ENGINEERING
    April 2026 - Today (4 months)
    Paris, France
    Strategic support for management to structure and accelerate the performance of paid and organic acquisition channels for this French Tech scale-up.

    Key missions & scope:

    • **Media Coaching & Strategy**: Supporting and upskilling the internal Traffic Manager on the ROI-driven management of campaigns (Google Ads, Meta).
    • **CPL Optimization**: Global restructuring of advertising account architecture and deployment of an A/B testing roadmap.
    • **SEO & CRO Optimization Synergies**: Framework for future semantic strategy and landing page redesign to maximize organic traffic and conversion rates.
    • **Data Reliability**: Audit and upgrade of tagging and tracking plans (GTM / Google Ads / Meta).
    Marketing Management SEO Audit CRO SEA
  • MADE IN DESIGN
    Interim Management E-commerce & Acquisition
    E-COMMERCE
    March 2024 - December 2025 (1 year and 9 months)
    Paris, France
    Made In Design, a subsidiary of the Printemps Group, is a major e-commerce player in designer home decor and furniture, established for over 25 years with a presence in 5 countries: FR, UK, DE, IT, CH.

    Context**: As an **Interim Manager**, I led the e-commerce and acquisition division (multi-million euro budget). Global **Performance Marketingmission: restructuring channels (SEA, SMA, SEO, Affiliation) and conversion optimization through A/B Testing.

    1. E-commerce, UX & CRO Division Management:
    • **Management & Reorganization**: Led a team of 4 FTEs (Animation, E-merchandising, International) and professionalized internal processes.
    • **Commercial Strategy**: Complete overhaul of the pricing policy and optimization of the commercial animation plan to maximize profitability.
    • **Customer Journey Optimization**: Managed the A/B Testing roadmap and UX projects focused on continuous improvement of the conversion funnel.
    • **Results**: +38% increase in conversion rate (vs. previous year) and +1 point increase in gross margin.

    2. Acquisition & Performance Steering:
    • **Budget Management**: Managed a media budget of €2.7M across all channels (SEO, SEA, Affiliation, Retargeting, Social Ads).
    • **Operational Efficiency**: Managed tenders for the change of SEO & Affiliation agencies and reduced agency fees by 10%.
    • **Management & Structuring**: Internalized expertise through onboarding and coaching of a Traffic Manager.
    • **Results**: +6% revenue growth at constant budget and a 2-point improvement in COS.
    E-commerce Digital Marketing Strategy Interim Manager P&L Management Digital Acquisition Strategy
  • CITADIUM Printemps Groupe
    Interim Management Acquisition
    E-COMMERCE
    October 2023 - March 2024 (5 months)
    Paris, France
    New assignment at Citadium.com, a major fashion e-commerce site. I had already intervened a year earlier for the same mission: taking over the steering of web acquisition.

    1. Performance Strategy & Budget Management:
    • **Acquisition Management**: Managed a budget of €1.5M across all performance channels.
    • **ROI Optimization**: Arbitrated investments to maximize revenue while controlling acquisition costs.
    • **Business Results**: Major growth of +84% in revenue vs. previous year with a controlled budget increase of only 10%.

    2. E-commerce & Retail Expertise:
    • **Omnichannel Synergy**: Alignment of digital operations with the physical store commercial calendar (Retail) to ensure a consistent brand experience.
    • **Commercial Animation**: Close collaboration on the animation plan and e-merchandising to optimize on-site conversion.
    • **Data Analysis**: Daily monitoring of e-commerce KPIs to adjust the distribution strategy in real-time.
    E-commerce Traffic Acquisition SEA Web Marketing Strategy Budget Management

Recommendations

MP
FU
JG
Mélissa Pouvreau and 2 other people have recommended Christophe

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Education

  • MBA E-business
    ISC Paris
    2009
    Marketing et Management des Technologies de l'Information
  • Master in Real Estate
    Université de Marne-la-Vallée
    2008
    Ingénierie de l'immobilier avec spécialisation en Facility Management

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