Jean-Baptiste Reyt

Head of Design

Paris, Île-de-France, France6 yrs 6 mos experience

Highly Stable

Key Highlights

Built design function at Greenly with AI integration.
Co-founded Zar, achieving 250k users and high retention.
Led design for blockbuster games at Ubisoft.

Stackforce AI infers this person is a SaaS product design leader with a strong focus on user experience and AI integration.

Contact

Skills

Core Skills

Design LeadershipProduct Vision And StrategyUx/ui DesignProduct Management

Other Skills

Coordination de l'équipe de conceptionLeadership en conceptionproduct designExpérience utilisateur (UX)Recherche UXDesign de produitsStratégie produitFeuille de route de produitGestion de la marqueConception de haut niveauBrandingDéveloppement de la marqueMarque et identitéDesign ThinkingLeadership d’équipe

About

From entrepreneur to design leader, I bridge business and design to build SaaS products that users love and companies rely on. 10 years driving Product & Design. From founding my own startup and building Greenly’s design function (€78M funding) to leading Design & Brand at Skello, Europe’s #1 workforce management software for frontline teams. Achievements → 2024-2025: Build a successful design function at Greenly and leveraged AI to drastically streamline our product and workflows (+24% CSAT, +16% NRR, and new AI copilot that saves 100s hours to users). → 2018-2023: Co-founded and created Zar, an automated and real-time coaching app for gamers, achieving 250k users with 74% monthly retention, 4.9% paying users (freemium B2C SaaS) with a $50 lifetime customer value. → 2015-2018: Led tech & design squads on 2 blockbuster games at Ubisoft that sold 22M+ units worldwide. Core skills → Design leadership → Product vision and strategy → Discovery (user / market research + product metrics) → UX/UI design, prototyping and usability testing. → Lean and data-driven iterations → Designing in coded (Cursor, Claude code, etc.) → Conversion Rate Optimization

Experience

6 yrs 6 mos

Total Experience

3 yrs 3 mos

Average Tenure

Current Experience

Skello

Head of Design

Jan 2026 – Present · 4 mos · Paris, Île-de-France, France · Hybrid

Skello helps 25,000+ businesses in retail, hospitality, healthcare, and construction manage 600,000+ frontline workers across Europe (scheduling, time tracking, HR...).
My first missions:
Grow and coach 7 product and brand designers, streamline our workflows with AI (Cusor, Pletor, Claude code...).
Lead the design side of our platform migration for a faster, cleaner experience.
Streamline the Brand x Marketing collaboration and grow the Skello brand to become the European leader in workforce management.
Help ship AI features that free our customers from admin work.

Coordination de l'équipe de conceptionLeadership en conceptionDesign leadershipProduct vision and strategy

Greenly | certified b corp

Head of Product Design

Sep 2024 – Jan 2026 · 1 yr 4 mos · Paris, Île-de-France, France · Hybrid

Greenly is a B Corp certified climate tech SaaS company offering a platform to measure, reduce, and offset business carbon footprints through automated data collection and analysis.
As the first Head of product design hire, I:
Lead and coach 3 designers across multiple product teams.
Build the design culture from scratch, creating with my team a design system and streamlining collaboration across product teams with efficient processes and guidelines, to make sure product people work seamlessly together, with great practices in discovery, design, and delivery.
Integrate AI across product features and team workflows
Collaborate closely with the head of product and C-level executives to position design as a product cornerstone.
Personally design critical features, including ESG modules, project management, and upsell features.

product designExpérience utilisateur (UX)Design leadershipProduct vision and strategy

Imageau

Senior Product Designer

Jan 2024 – Aug 2024 · 7 mos

Led the creation of a B2B SaaS web app that helps industrial companies manage water risks.
Key results:
→ Developed this new app in 6 months.
→ Secured annual subscriptions from 4 major industrial groups before launch.
Key responsibilities:
→ Led the design in a lean and data-driven manner, from initial discovery to designing intuitive mockups.
→ Worked directly with the CEO and defined the product vision, strategy, and business model.

Expérience utilisateur (UX)Recherche UXUX/UI designProduct vision and strategy

Zar

Co-founder - Design

Jul 2018 – Sep 2023 · 5 yrs 2 mos · Paris, Île-de-France, France

Designed and launched Zar, the first app that helps players get better directly as they play in competitive (esport) games, automatically.
Key results:
→ 250K+ users played 24M+ matches with our app.
→ 86% weekly retention, 74% monthly. Average user session time: 2.3 hours.
→ 4.9% paying users (freemium SaaS). Lifetime customer value of $50. - Raised 1m+ € among VC investors.
Key responsibilities:
→ Aside from contributing to business-related topics, I led brand and product design, fostering a lean and user-centric culture.
→ Conducted comprehensive user and market research to identify potential issues and solutions.
→ Designed all features and improved existing ones in a data-driven manner, enhancing user engagement, conversion, and retention.
→ Created a clear product vision, prioritized features, and led the product towards Product-Market Fit.
→ Partnered with CTO to manage sprints, backlog, and ensure successful implementation in a Scrum framework.
→ Collaborated with our CTO and data scientist to retrieve, organize, and process key user data, producing performance analyses and ML models to coach users.

Design de produitsExpérience utilisateur (UX)Design leadershipProduct vision and strategy

Ubisoft

Product owner

Jul 2015 – Jul 2018 · 3 yrs · Versailles, Île-de-France, France

Worked in the producing team of Ghost Recon Wildlands and Ghost Recon Breakpoint (production of 350+ people).
Key responsibilities:
→ Managed cross-functional teams (mostly game architecture and narration) of 25+ developers and designers in an agile framework.
→ Budgeted, defined the roadmap, prioritized the backlog, and coordinated the work of several sprint teams to ensure alignment with project goals.
Key results:
→ 22M+ units sold across both games
→ Developed key back-end systems for feature teams. Identified and handled major technical risks.
Loved the adventure, but wanted to get closer to Product Design !

Stratégie produitFeuille de route de produitProduct vision and strategyProduct management