Guillaume Mourier

Head of Product

With roots in engineering and experience leading cross-functional teams, I work to bridge product, tech, and user needs to build things that work — and last.

Experience

Head of Product

2021 - Present
Remote & Paris, France
  • Build and lead the product function from the ground up as the first PM, overseeing the v1 launch and helping grow the open-source project to 50k+ GitHub stars.
  • Define and scale the product strategy across open-source and commercial lines, aligning roadmap, go-to-market, and UX with company goals.
  • Drive product-led growth, expanding the customer base and supporting the company’s move toward sustainable revenue.
  • Lead a multidisciplinary team (PM, designer, technical writer), and contribute to org-level planning, hiring, budgets, and strategic execution.

Senior Web Developer

Various Companies
2015 - 2021
France
  • Evolved from pure development to acting as a bridge between product, engineering, design, and marketing teams, naturally taking on product ownership responsibilities.
  • Gained deep user empathy by directly interfacing with customers and stakeholders, translating their needs into technical requirements and product features.
  • Led cross-functional initiatives that required balancing technical constraints with business objectives, developing the strategic thinking that would define my product career.
  • Mentored junior developers while advocating for user-centered development practices, building the leadership and team management skills essential for product roles.

Education

Lyon, France

Master's Degree in Computer Science

Music Production

Composer

Video Game
  • Another Door is a party game blending gambling mechanics and tough choices. The soundtrack is inspired by 8-bit and retro arcade machines, alternating between ambient tension and fast-paced energy to match the game's shifting dynamics.