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Sebastien N.SN

Sebastien N.

Product Management, Product Strategy

€850/day
Paris 20e Arrondissement, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sebastien

With over 15 years of experience at the intersection of Product Management, consulting, and tech, I support companies in structuring, envisioning, and governing their digital products.
My goal: to design and grow impactful products, aligned with business strategy, customer value, and team capabilities.

I combine strategic vision, operational management, and a user-centric, data-informed, and business-oriented approach, with constant attention to value creation and collective efficiency.
My approach is based on agile methodologies, value-based prioritization, and a strong culture of collaboration between product, tech, and business teams.

Co-founder of Lisen, a platform that combines generative AI and Lean Startup methodologies to support project leaders in validating their ideas, I also founded Spirituo, an early e-commerce startup, and have advised several entrepreneurs and scale-ups on their product and digital strategies.

My background, encompassing entrepreneurship, intrapreneurship, and digital transformation, has allowed me to develop solid expertise in product governance, structuring multidisciplinary teams, and scaling product organizations in B2B, B2C, and SaaS environments.

Convinced that product is a strategic lever for transformation and innovation, I enjoy uniting teams around a clear, ambitious, and impact-oriented vision.
  • French

    Native or bilingual

  • Spanish

    Conversational

  • English

    Fluent

Can work on-site
Paris 20e Arrondissement (up to 50km)

Experience

  • Lisen
    Co-founder - CPO
    October 2022 - Today (3 years and 7 months)
    Paris, France
    Lisen - Digital platform for entrepreneur support
    Development of an innovative web platform aimed at helping any type of entrepreneur find or transform an idea into a concrete startup project.

    Objective: Facilitate the search, evaluation, and structuring of ideas through a personalized action plan combining proven entrepreneurial methodologies (Lean Startup, Business Model Canvas) and generative Artificial Intelligence tools (OpenAI, D-ID, ElevenLabs, Midjourney, Replicate, Perplexity).

    Key achievements:
    - Market and feasibility studies (documentary research, surveys, interviews, Lean Canvas, competitive benchmarking)
    - Business model construction and validation
    - Exploration and integration of generative AI tools for advanced content creation and analysis
    - Product design: creation of a web platform with gamified UX for an immersive user experience
    - Interactive content creation: narrative universe, characters, storyboards, decision-making chats, scoring, optimized prompts
    - Methodology industrialization: automation of idea validation, persona analysis, market and competition study
    - Exploration, selection, and integration of generative AI tools, with the implementation of prompt engineering to automate processes and optimize the user journey
    - Go-to-market setup and user support

    💡 Added value: A solution that democratizes digital business creation by combining rigorous methodological structure and the power of digital through AI, to support entrepreneurs towards success.
    artificial intelligence Prompt engineering Product launch strategy Entrepreneurship Business model
  • KPMG Pulse
    Product Management
    CONSULTING AND AUDITS
    January 2022 - September 2022 (9 months)
    KPMG Pulse - Offering dedicated to SME leaders

    Product Manager for 2 squads: Mobile & Social Management (12 people - UX researcher, Product designer, Lead Tech, Front/Back/Mobile Developers, Tester, Scrum Master)

    - Development of product vision and strategy: Elaboration of the roadmap considering user needs and market trends
    - Roadmap management: Definition and prioritization for the squads (Mobile & Social Management), ensuring smooth execution and alignment with KPMG's strategy
    - Analysis of user needs through field surveys, interviews, shadowing, polls, and workshops to gather qualitative and quantitative feedback from clients and KPMG employees
    - Collaboration with internal stakeholders (Business Units, IT, Support, Marketing, Customer Success) to ensure overall consistency in product development and launches
    - Participation in product rituals (Demos, QBRs, strategic meetings)
    - Product lifecycle management from Discovery to Delivery with post-launch monitoring (progressive rollout, communication, support, and tracking)
    - Backlog management and feature prioritization
    - Progressive national launch campaign (webinars, workshops, presentations) to ensure product adoption and user success
    - Continuous improvement: Implementation of regular tests, feedback collection, and performance monitoring using analytics tools
    - Setup of workshops and meetings to align all teams on product objectives, improve collaboration, and foster a shared vision
    - Continuous analysis of KPIs and metrics to measure product impact and make necessary adjustments
    - Competitive and technological market watch to ensure the product remains competitive and meets user expectations.
    Product management Agile method SME Entrepreneurship Product development
  • Zfab
    Freelance
    MEDICAL
    September 2020 - Today (5 years and 9 months)
    Paris, France
    ZFab - Specialist in the manufacturing and design of orthopedic devices through 3D printing
    • Definition of the Business Model and Strategic Plan,
    • Support in sales and marketing strategy (Offers, Emailing, Client/Partner Acquisition),
    • Support in product/IT strategy (Infrastructure, Website, Tools, Processes),
    • Legal support (Partnership Agreement, GDPR),
    • Design of the Zfab.fr website.
    Startup Business model Webmarketing strategy IS strategy Design

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Education

  • BTS in Management Information Systems - Application Developer Option
    Lycée St Michel de Picpus
    2003
  • Master in ICT Management
    ESIEE Management
    2006

Skill set (70)

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