About Gauthier
French
Native or bilingual
English
Fluent
Experience
- Growth SocietyPaid Ads ConsultantDIGITAL AND ITSeptember 2025 - December 2025 (3 months)Paris, FranceManagement of paid acquisition for a portfolio of E-commerce and DNVB brands, with an obsession for profitability (ROAS) and customer lifetime value (LTV).Main missions:Multi-channel Media Strategy: Design and management of scalable campaigns on Meta Ads, Google Ads (Search & PMax), and TikTok Ads.Creative Strategist: Analysis of creative performance, writing ad scripts, and briefing creative teams to optimize click-through rate (CTR) and conversion.LTV Optimization: Audience segmentation to acquire customers with high repurchase potential, aligned with CRM retention strategies.Tracking & Data: Implementation of tracking (GA4, GTM, Conversion API) to ensure accurate performance reading and Marketing Efficiency Ratio (MER).Profitable Scaling: Management of monthly budgets ranging from €5k to +€50k, with a constant focus on maintaining net margins.
- LumiBeFounder of LumiBeE-COMMERCEMarch 2024 - June 2025 (1 year and 3 months)Paris, FranceI co-founded LumiBe, a French brand of organic cosmetics and skincare devices, designed to support women aged 35 to 65 in their anti-aging routine. We built a universe centered on customer relationships, with a high-end and human experience. Through a comprehensive e-commerce strategy (branding, acquisition, loyalty), LumiBe achieved a score of 4.6/5 on Trustpilot from 154 customer reviews.Building on this experience, my partner and I decided to put LumiBe on hold to fully dedicate ourselves to our digital marketing agency specializing in e-commerce, with a clear positioning: improving customer relationships to maximize lifetime value. We now support ambitious brands that want to build lasting customer loyalty, engagement, and conversion.
- Agence QoubraFounder of L'agence QoubraDIGITAL AND ITJanuary 2025 - Today (1 year and 5 months)Paris, FranceI am the founder of Qoubra, an e-commerce agency specializing in customer experience and sustainable brand growth.Since launching Qoubra, we have supported dozens of brands, from the creation to the optimization of their customer journey, with a clear objective: to increase their impact and create a memorable overall experience – from the first visit to repurchase and recommendation.Our approach is centered on customer lifetime value: branding, email marketing, loyalty, automation, customer feedback, personalization… Everything is designed to turn every interaction into a growth lever.Today, I am putting this expertise to work for brands that want to go beyond acquisition by building strong and profitable relationships with their customers.
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Education
- BTS Graphic Design – Communication & Digital Media optionL'initiative Paris2017Formation axée sur le design d’interfaces, l’identité visuelle et la communication digitale.
- Community Manager CertificationLivementor2024Gestion de communauté, stratégie de contenu, modération, animation réseaux sociaux.
Certifications
- Develop an influencer strategy on social networks for customer conversion and loyaltyLiveMentor2024
- Entrepreneurship and customer base development through digital marketingLiveMentor2024