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Tristan Martin-StockerTM

Tristan Martin-Stocker

Product Lead / Head of Product / Product Manager

€800/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Tristan

✨ Graduate of École Polytechnique, with 7 years of experience in Product Management, including 3 years as Head of Product, I help companiesdesign and manage digital products that generate real business impact.

📈 Thanks to my dual technical and product expertise, I transforma vision into a clear roadmap and measurable results.

👉 My obsession:structure, prioritize, and executeso that each product – and each feature – delivers concrete value, both for users and for the business.

🔷 **How I can help you**:
  • Define and execute a results-oriented product strategy.
  • Define relevant OKRs, aligned with the vision and business priorities, then rally teams around these objectives.
  • Build and maintain a clear and prioritized roadmap, aligned with OKRs.
  • Implement relevant product KPIs and optimize user experience through a data-driven approach.
  • Recruit, structure, and coach a Product team to maximize delivered value.

🔷My added value
  • Dual technical (development, data) and product expertise, to better understand your challenges and accelerate their realization.
  • Strong adaptability to any new environment or company context.
  • A pragmatic and business impact-oriented approach: I measure a product's success by the value it creates.

🔷Typical projects and deliverables

  • Definition and monitoring of Product OKRs.
  • Design and execution of product roadmaps.
  • Structuring and management of a Product team (processes, rituals, tools).
  • Facilitation of product vision and discovery workshops.
  • Management of the creation or redesign of web & mobile applications.
  • Coaching of Product Managers

I adapt to any request and am available for any questions
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • Hero
    Head of Product
    January 2025 - Today (1 year and 5 months)
    Product Leader at Hero, a fintech offering a next-generation business account. Manage a cross-functional team of 3 Product Managers and 2 Product Designers. Report directly to the CEO.
    • Contributed to hypergrowth +540% revenue
    Management d'équipe Stratégie produit Product management Définition et suivi des indicateurs (KPI)
  • Pass Culture
    Head of Product
    CULTURE
    June 2024 - December 2024 (6 months)
    Paris, France
    Scope: young tribe (Culture Pass mobile app), internal tribe (internal tools), and transverse data science squad.
    The Culture Pass is a state-backed scale-up, with an app used by 1 million young people weekly with a turnover of €250M.
    Recruitment and management of a team of 5 PMs
    Structuring of the product team into impact-driven squads and tribes
    +120% cultural diversification (Culture Pass NSM)
    +40% activation
  • Stootie
    Product Manager
    September 2019 - June 2021 (1 year and 9 months)
    B2B2C service matching app, with a turnover of €6M
    Full management of the product development cycle.
    +27% conversion (service booking)
    -40% refunds (disputes)

Recommendations

Adam SotoAS
Valentin OrruVO
Adam Soto and 1 other person have recommended Tristan

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Education

  • Engineering Degree
    École Polytechnique
    2016
    Engineering Degree
  • Master's Degree
    Polytechnique Montréal
    2016
    Master's Degree

Skill set

Categories