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Jean ZerenJZ

Jean Zeren

CPO/Innovation - Product, Tech & AI

€700/day
7 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jean

I help companies transform a business problem into a product or AI strategy. Available for:
  • Innovation / transformation consulting, particularly on AI
  • Fractional Head of Product/CPO

My Profile

For 5 years, I founded and led Scroll, a Tech&AI studio from scratch to €1M in revenue, 150 clients, and over 300 projects delivered.
I was in sales, project management, technical arbitration, etc...

I led critical technical projects for demanding major clients:
  • AP-HP
  • Paris La Défense Arena (critical application, 24/7 maintenance level)
  • Pharmaceutical group with > €3 billion in revenue.
Before that, I was a Product Owner & Product Manager for data (Python, Database, ETL pipelines, etc.)

I started my career in finance (credit analysis and portfolio management at Oddo & Cie, MSc Corporate Finance at EDHEC).

My Expertise

  • Translate a vague need into an actionable roadmap
  • Structure and arbitrate with a steering committee
  • Drive execution to the end
  • Varied technical background (AI, data, dev, etc.)
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Scroll
    Co-Founder & CEO
    February 2021 - Today (5 years and 5 months)
    Paris, France
    Technology studio — digital product design and delivery for enterprise and mid-market clients
    • Built and led the company from inception to €1M in annual revenue, 150 clients, and 300+ delivered projects, with full ownership of strategy, hiring, and P&L.
    • Acted as the direct counterpart to client leadership on complex, technically demanding projects — translating ambitious requirements into shipped, production-grade products: a public-facing application for AP-HP (Greater Paris university hospitals), a mission-critical operations platform for Paris La Défense Arena, and two business critical applications for Chiesi Farmaceutici (global pharmaceutical group, €3.4B revenue).
    • Built and led a cross-functional team (product, design, engineering), managing both internal staff and external technical partners.
    • Evaluated technology choices, architecture trade-offs, and build-vs-buy decisions across 300+ projects.
    • Operated with full autonomy in an ambiguous, fast-moving environment — sourcing clients, structuring problems, and delivering under pressure.
    Digital Transformation Product Strategy Artificial Intelligence Innovation Agile Method
  • Effilab
    Product Manager
    June 2019 - November 2020 (1 year and 5 months)
    Boulogne-Billancourt, France
    • Managed a 15-person team operating search advertising campaigns for approximately 3,500 SMBs.
    • Owned product offering development and business performance analysis; drove operational process improvements.
    Product Strategy Agile Method
  • Effilab
    Product Owner
    November 2018 - May 2019 (6 months)
    Paris Area, France
    • Build the product roadmap Create, maintain and prioritize the Product Backlog
    • Prepare accurate specification by writing, communicating and prioritizing EPICS and User Stories
    • Define new features and collect/analyze impacts
    • Communicate effectively the product vision to the team
    Product Strategy Atlassian JIRA

Reviews

5.0

Out of 5 ratings

HugoH

Hugo

Hugo Levaique

Reviewed on 3/23/2021

Thank you Jean for your service! Once again, very satisfied. Jean communicates perfectly and is very pedagogical. He has, once again, greatly helped us to advance in the development of homemade tools. I will call on him again with pleasure!
HugoH

Hugo

Hugo Levaique

Reviewed on 1/14/2021

Thank you Jean for your time and the quality of your work. Attentive, respects deadlines, understanding, and efficient. Nothing to say, I am very satisfied!

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Education

  • Master of Science (MSc)
    EDHEC Business School
    2016
    In the world: #14 Master in Management - 2013 Master in Management Financial Times worldwide ranking #3 Master in Finance - 2014 Master of Finance Financial Times worldwide ranking In France: #1 in Corporate Relations - 2013 L'Express - L'Etudiant #4 French Business School - 2014 Le Parisien

Certifications

  • Scrum Product Owner certified (SPOC)
    international scrum institute
    2019

Skill set

Categories