About Harold
- UX and data audits
- Tracking (implementation, monitoring)
- Digital journey design (redesign, optimization)
- A/B tests to improve conversion and user satisfaction
- Dashboard (results monitoring)
- Support for roadmap deployment (prioritization, monitoring)
- Media: ELLE (CMI), Bauer Media, Radio France, Actu.fr
- Mutual insurance / Insurance / Banking: MNH, Crédit Agricole
- Mobility: Île-de-France Mobilités, Keolis
- Energy: EDF ENR, Mint Énergie
- Services: Seloger, Sodexo
- Retail: Cultura
- Improvement of conversion rate & digital revenue
- Reduction of lead time
- Optimization of acquisition costs
- Reduction of friction in digital journeys
- Skill development of internal teams
- Operational and strategic expertise, with measurable results
- Data-driven and user-centered methodology
- Ability to support from A to Z (audit, design, testing, analysis)
- Agile and transparent collaboration with your internal teams
French
Native or bilingual
English
Fluent
Experience
- UNAMIAssociate Director / CRO, Data & Design ExpertCONSULTING AND AUDITSJanuary 2010 - Today (16 years and 5 months)For several years, I have been helping major clients improve their digital journeys by combining Design & Data.
- CMI FranceCRO Consultant (Conversion Optimization)PRESS AND MEDIASeptember 2019 - Today (6 years and 9 months)Levallois-Perret, France🎯The missionSupport the digital teams of CMI France (marketing, subscription, and product) in the continuous conversion optimization of media (Elle.fr) and e-commerce (jemabonne.fr) sites.Objective: develop press subscription sales via the digital channel.🧠Expertise deployed
- Data analysis: Piano Analytics, GA4, Contentsquare, dashboard in Looker Studio.
- Design: consulting & UX optimization proposals, Figma prototyping
- Roadmap management (prioritization and deployment support).
- Experimentation program management (AB Testing with Kameleoon).
- Experimentation with AI components of the tools.
- Financial reporting with ROI.
🧠CollaborationClose teamwork with marketing, subscription, and product teams to improve performance.- Weekly: test review and prioritization.
- Monthly: analytics monitoring and discussions.
- Quarterly: prioritization of a work stream (audit/recommendation/ab tests)
- Semi-annually: overall review and ROI.
📈Results:- +25% user engagement
- +30% conversion, thanks to successful AB tests
- Over 5 years of collaboration with the group
- CULTURAData & UX AuditE-COMMERCEApril 2022 - January 2023 (9 months)🎯 A two-part mission
- Audit of the Cultura.com website's purchase funnel to improve its conversion.
- Support for the teams in deploying the optimization roadmap.
🧠 Expertise deployed- Identification of friction points through a comprehensive audit: Data / Performance / UX.
- Proposal of concrete optimizations.
- Prioritization of optimizations and roadmap construction.
- Support for roadmap deployment.
- In-depth analyses (Contentsquare, Kameleoon, Adobe Analytics).
🧠 CollaborationSupport that has enabled the teams to be trained and coached in improving their skills in CRO tools and methodology.📈 Results:- +80 optimizations proposed
- +20 in-depth analyses carried out
- +30% conversion observed in the funnel
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