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Marine SteinerMS

Marine Steiner

Influence Marketing manager

€350/day
Paris, FR
3-7 years

Average response time: 1 hour

About Marine

I help brands design and execute high-performing influencer marketing campaigns, from strategy to execution. My expertise lies in managing paid collaborations, building strong relationships with creators, and turning influencer activations into measurable business results.

I work closely with brands to identify the right profiles, manage negotiations, coordinate product seeding or experience-based activations (services, treatments, events), and ensure content is aligned with brand image, objectives and regulations when required.
I also closely monitor performance to optimise campaigns and deliver clear, actionable insights.

With a background across cosmetics, wellness, healthcare and consumer brands, I bring a strategic, structured and results-driven approach, while maintaining a strong focus on authenticity and long-term creator relationships.

Based in Paris, working with international brands across Europe.
Fluent in English, French and Spanish.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Freelance
    Influence Marketing Consultant
    September 2025 - Today (9 months)
    Paris, France
    Skincare and health clients such as Seasonly, RoC skincare, Skin Diligent, Oryza Lab, Lazartigue, DermEden.

    - Definition and managing of influencer marketing strategies tailored to cosmetics, skincare, wellness and healthcare brands
    - Identifying, qualifying and selecting relevant influencers (UGC creators, micro, mid & macro influencers) aligned with brand values and target audiences
    - Management of paid collaborations from briefing to delivery (content scope, timelines, usage rights, KPIs)
    - Lead of influencer outreach and relationship management, including negotiations and contract coordination
    - Organisation and supervision of product seeding campaigns (skincare, cosmetics, supplements, treatments)
    - Coordinating experience-based activations: massages, facial care, wellness treatments, brand immersions
    - Developing clear creative briefs to ensure on-brand, compliant and high-performing content
    - Ensure regulatory compliance (healthcare, cosmetic claims, disclosure rules, #ad, etc.)
    - Monitor, analyse and report campaign performance (reach, engagement, content quality, ROI, brand visibility)
    - Optimisation of campaigns based on insights and performance data
    - Maintain long-term relationships with creators to build sustainable influencer communities
    - Act as the main point of contact between brands, influencers and partners
  • Studio Mauj
    Brand strategy consultant
    September 2024 - March 2025 (6 months)
    Paris, France
    - Market and trend analysis, target audience research
    - Definition of brand positioning and narrative with its mission, vision and values
    - Creation of a creative conceptual universe alongside the brief for graphic design
    - Digital launch strategy through a social media campaign
  • Matriochka Influences
    PR consultant
    November 2018 - May 2020 (1 year and 6 months)
    Paris, France
    - Developing strategies for relations with the press and influencers
    - Monitoring media coverage (offline and online) and advising clients
    - Market research to launch products and brands appropriately
    - Creative writing of communication materials (newsletters, press releases, FAQs, etc.)

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Education

  • Master 2 (M2)
    EIML Paris
    2018
    Master 2 (M2)
  • Licence, Information Communication
    Université Paul Valéry
    2016
    Licence, Information Communication

Skill set

Categories