À propos de Jonas
Anglais
Bilingue ou natif
Espagnol
Capacité professionnelle limitée
Expériences
- Jonas CohenFreelance Paid Media ConsultantCONSEIL & AUDITjanvier 2026 - Aujourd'hui (5 mois)Paris, FranceCampaign ManagementManaged end‑to‑end paid media strategy and hands‑on execution for SME and mid‑market clients across Search, Shopping and Social. Led account (re)structures, keyword management, bid strategies and creative testing to unlock scalable, profitable growth.Performance & ROASHandled monthly budgets from 5k€ to 50k€ per client, delivering frequent ROAS uplifts of +30–70% and CPA reductions of 20–40% after account restructuring and optimisation sprints.E‑commerce & ShoppingAdvised e‑commerce clients on product feed optimisation, Google Merchant Center setup and shopping campaign architecture to maximise catalog coverage, margin and revenue.Reporting & Data‑Driven OptimisationBuilt performance dashboards in Looker Studio / GA4 and translated raw data into clear, actionable recommendations for clients. Ran structured A/B tests and audience experiments to prioritise the highest‑impact optimisations.
- AdlookSales Managerjanvier 2025 - septembre 2025 (8 mois)Paris, FranceCampaign Performance & OptimisationOwned performance for a portfolio of programmatic accounts with 20k€+ monthly budgets, monitoring pacing, identifying anomalies and executing real‑time optimisations to hit and exceed client KPIs.Data Analysis & InsightTranslated campaign data into clear, actionable insights through weekly performance reports and ad‑hoc analyses. Proactively flagged issues, recommended optimisations to clients and internal teams, and quantified expected uplift.Testing & PlaybooksDesigned and documented test plans (A/B tests, audience splits, creative variants) and competitive benchmarks, creating more than 10 performance playbooks to support client retention, upsell and cross‑sell.Consultative SalesWorked closely with marketers and decision‑makers to align media strategies with business objectives, positioning Adlook as a performance partner rather than a simple media vendor.
- Olyn GroupKey Account Managerjanvier 2022 - janvier 2025 (3 ans)Paris, FranceMulti‑Channel Campaign ManagementManaged end‑to‑end paid media activity across Search, Social, Display and Programmatic for 30+ accounts in Finance, Retail, Hospitality, FMCG and Health, with annual budgets of 100k€ à 2,4 M€.Optimisation & TestingExecuted ongoing optimisations (keyword expansion, audience refinement, bid adjustments, creative A/B testing, budget reallocations) based on performance data, contributing to 80%+ client retention on the portfolio.Market & Search IntelligenceConducted deep‑dive competitor and search trend analyses to identify new keyword opportunities, white‑space markets and campaign expansion angles. Fed these insights back to product and strategy teams.Performance Reporting & Stakeholder ManagementDelivered weekly and monthly reports (GA4, Looker Studio, Tableau), turning complex datasets into clear recommendations for marketing, sales and leadership. Coordinated account health reviews and audits to anticipate issues before they impacted performance.
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Formations
- Master in Digital MediaToronto Metropolitan University2019Master in Digital Media
- Bachelor of ArtsMcGill University2017Bachelor of Arts