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Oussama SahnouneOS

Oussama Sahnoune

Head of Growth · E-commerce · CAC & Profitability

€550/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Oussama

Your paid acquisition has become a black box and you want to see clearly before it costs you more. Do you recognize yourself?

- Your campaigns aren't taking off: you change targeting, creatives, and tracking all at once, without a method.
- Your acquisition is plateauing. You increase the budget, theROAScollapses.
- Your analyses contradict each other: agency vs. accountant, two parallel narratives.
- Your dashboards are green, but yourcashsays otherwise.

I supporte-commerceleaders who want to scale without burning their cash by regaining control of their realCAC**, contribution margin, and cash cycle. **DTCbrands, retail, omnichannel.

HOW I INTERVENE

Marketing Economics Audit (2-3 weeks)
CAC by channel, contribution margin, cash payback, LTV 90D/12M, cohorts. Deliverable: CAC/LTV scorecard + growth simulator.

Fractional Head of Growth (3 months min., 2-3 days/week)
Acquisition steering × CRM × offer with P&L analysis. I challenge your agencies, I arbitrate your budgets according to real marginal efficiency.

WHY ME

6 years steering the growth of DTC brands, €5M ofmediainvested. VO7, founding team (2014-2019): €3M in online revenue, ×15 in 5 years. FractionalGrowthHead for 15+ brands since 2019: Footkorner, RP Parfums, Classe Affaires, Globe Express, Charo, Syndeed, B-Hype, Pardon My French. Paid Media viewed through the P&L lens, not superficial ROAS.

STACK & TOOLS

Ads: Meta Ads (Advantage+, retargeting), Google Ads (Search, Performance Max, Shopping), TikTok Ads, Snapchat Ads, LinkedIn Ads, YouTube Ads.
E-commerce: Shopify (6+ migrations), Shopify Plus, Prestashop, WooCommerce, headless.
Tracking: GA4, GTM, server-side, Hyros, Looker Studio, Power BI.
CRM: Klaviyo, Brevo, cohort segmentation, automation.
Methods: A/B testing, CRO, multi-touch attribution, CAC/LTV scoring.

Is your e-commerce business a topic? 30-min call to qualify your situation.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Montigny-lès-Cormeilles (up to 30km)

Experience

  • Footkorner
    Build-up of paid digital and change management for a streetwear brand
    E-COMMERCE
    January 2024 - June 2024 (5 months)
    Paris 15 Vaugirard, France
    Support for a historic streetwear brand in its transition to paid digital maturity, from internal evangelization to the operational launch of the first structured campaigns.
    Mission:
    • Digital maturity diagnosis and change management with internal teams
    • Evangelization and training on the paid ads environment (Meta, Google): business case, KPIs, vocabulary, governance
    • Technical setup: Meta Business account, Google Ads, conversion tracking, pixel, custom audiences
    • Launch and management of the first Facebook Ads retargeting campaigns
    • Programming and industrialization of Google Ads SEA campaigns (search, shopping)
    • Performance reporting and continuous learning loop with internal teams
    Results: internally operational paid digital function, first structured retargeting and SEA program, teams culturally adapted and data-savvy.
    Google AdWords Meta Ads Performance Marketing Retargeting Change Management
  • Pardon My French
    E-commerce management and drop-based strategy for a lifestyle DTC brand
    FASHION AND COSMETICS
    January 2022 - May 2024 (2 years and 4 months)
    Paris, France
    Complete operational management of the e-commerce for a French DTC brand operating on a product launch drop model, requiring fine orchestration between marketing, supply chain, and CRM around each release.
    Mission:
    • Complete e-commerce management: P&L steering, commercial planning, traffic sourcing
    • Product launch strategy in "drop" mode: teasing → anticipation → release → scaling → post-drop
    • Acquisition coordination (Meta Ads, Google Ads, Email) calibrated for each drop to generate rush
    • Conversion optimization during pre-drop traffic peaks (UX, cart, checkout)
    • Media budget management, allocation by campaign, and real-time adjustments during release windows
    • Performance reporting and systematic learnings per drop
    Results: industrialized drop model, increased release cadence, high sell-through rates.
    E-commerce Growth Marketing Brand Strategy Snapchat Ads TikTok Ads
  • RP Parfums
    E-commerce management, platform redesign, and DTC strategy for a perfume brand
    E-COMMERCE
    February 2020 - October 2025 (5 years and 8 months)
    Pantin, France
    Complete operational management of the e-commerce for a DTC perfume brand, from platform redesign to strategic support for the brand and its influencer ecosystem.
    Mission:
    • Operational e-commerce management: acquisition, platform, CRM, performance, end-to-end steering
    • Prestashop → Shopify platform redesign: data migration without data loss, UX redesign, unified tracking setup
    • DTC Strategy: brand positioning, commercial architecture, launch planning
    • Influencer strategy support: selection and activation of creators aligned with the brand's olfactory universe, creative briefs, long-term collaboration management, impact measurement on awareness and acquisition
    • Product launches: acquisition × influence × supply × CRM orchestration for each release
    • Strategic support for the brand, positioning, and growth roadmap
    • CDP (Customer Data Platform) integration: cross-channel customer data unification for personalization
    Results: modernized and high-performing platform, deployed DTC strategy, structured influencer program contributing to launches, structured and real-time exploitable customer database.
    Shopify Expert Prestashop CMS Migration Brand Strategy CDP

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Education

  • Master's in Management, Marketing Track
    CY Cergy Paris Université
    master management parcours maketing
  • CY Cergy Paris Université

Skill set

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