Mathieu Grimbert

– Shipped le Guichet Unique de la Haie, a digital tool implementing a French regulatory decree before it was even adopted, a first in French public policy: led a fully remote cross-functional team (2 designers, 3 senior devs, 1 deployment lead); aligned Ministry of Agriculture, Ministry of Environment, and local DDTs on a politically sensitive subject; turned 13 complex regulations and their cartographic layers into a clear UX for non-digital users.

– Took ownership of a cross-functional deadlock between support, ops, delivery providers and warehouse teams: redesigned the returns and delivery experience end-to-end, saved €240k/year in under 6 months, with no deterioration in customer experience tracked via a Metabase dashboard I built myself.

– Led a cross-functional team of 2 PMs, 1 designer and 8 devs to replace manual Airtable staffing with an automated matching system: a native app for caregivers and a desktop platform for health facilities, reducing average mission staffing time from 2 hours to 4 minutes. – Built an experimentation culture from scratch: introduced Retool as a no-code prototyping layer and personally ran in-person usability sessions in care facilities to validate flows with end users before committing to engineering. – Moved the company from ad-hoc ChatGPT usage to a coordinated AI strategy: deployed Dust across all teams, structured 20+ use cases and delivered measurable productivity gains within months.

– Recruited as first PM to build the product org of Europe's most ambitious carbon accounting startup post Series A (22M€): scaled from 5 to 25 people across 3 squads in 15 months, laying the foundation for a Series B raise of 50M€. – Built the no-code layer powering both the sales machine and client delivery: enabled sales to craft tailored demos that contributed to signing 700+ clients in a year, and climate engineers to deliver personalised results to each account.

Total Carbon Neutrality Ventures - $400M global venture fund * Performed business researches in the fields of digital and its applications to energy * Presented investment opportunities in front of the Total Carbon Neutrality Ventures’s board * Performed thorough strategic and financial analyses of potential investments throughout their lifecycle in close collaboration with key internal stakeholders

Stuart Delivery - Europe’s leading on-demand logistics platform * Created, used and improved a complex model to forecast supply and demand based on previous performances * Designed, optimised and automated various data-heavy processes critical to the Operations team for courier performance assessment, payment, activity and churn * Designed and implemented reporting dashboards to track relevant KPIs