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Pierre MalleinPM

Pierre Mallein

Lead Product Manager

€780/day
1 project
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Pierre

What I often hear at the start of an assignment: "we need someone who quickly understands our challenges, who structures, and who also knows how to get their hands dirty."

This is how I try to work - by combining Product Management, UX design, and AI integration when relevant. Not by imposing a method, but by adapting to the context and the team.

Most of the time, my clients don't lack ideas. They lack someone to help them decide what to do first (and why), find the fastest solution to validate the direction, and iterate to maximize impact.

Do you recognize yourself in one of these situations?
↳ Your product attracts users but doesn't retain them,
↳ You have ideas but struggle to decide what to do first,
↳ Your team is moving forward, but not in the same direction,
↳ You need to launch (or relaunch) a product, without knowing where to start.

Some results from recent assignments:
↳ Retention x5 on a legal SaaS (target pivot, without adding features),
↳ +50% retention on a mental health mobile app,
↳ +300% onboarding conversion on a B2B marketplace.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Jardin Mental - Direction du numérique des Ministères Sociaux (DNUM)
    Head of Product
    HEALTH AND WELLNESS
    May 2025 - February 2026 (9 months)
    Paris, France
    Product redesign of a mental health application supported by CNAM and the Social Ministries:
    - Recruitment and structuring of the product/design/tech team (from 2 to 8 in 2 months) and management of V2;
    - Definition of the roadmap and complete product redesign;
    - Coordination of public partners;
    - Definition of usage indicators and implementation of a data-driven backlog;

    → Complete product redesign in 4 months, +350% onboarding conversion, +50% retention, 170,000 downloads.
    Product Management Product Delivery Team Management Product Strategy
  • Ecole Cube
    Product Mentor
    September 2024 - April 2025 (7 months)
    Creation of content for the Product Management week of a 9-week bootcamp,
    Leading classes and challenges during the in-person bootcamp week.

    → Learner satisfaction: 4.95/5
    Product Management No code Bubble Training User Experience Design
  • OpenClassroom
    Instructional Designer - Product Builder Training
    September 2024 - September 2025 (1 year)
    Design of the Product Builder training program, over 18 months on a work-study basis;
    Creation of educational content;
    Coaching and support for students (in the future).
    Product Management No code Training Coaching

Reviews

5.0

Out of 1 rating

G

Georges

Co-founder - TalentFindr

Reviewed on 2/16/2026

Pierre helped us rethink our onboarding process. In a few well-conducted sessions, he identified what was wrong and proposed simple and effective solutions. Very professional, very clear, and truly impact-oriented. You can tell he has experience.

Recommendations

AI
Arthur K.AK
Sylvain DelySD
+1
Anthony Ingouf and 3 other people have recommended Pierre

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Education

  • MSc Entrepreneurs, Business Development, Business Strategy, Business Modeling
    Grenoble Ecole de Management
    2013
    MSc Entrepreneurs, Business Development, Business Strategy, Business Modeling

Skill set

Categories