À propos de Katja
Allemand
Bilingue ou natif
Anglais
Capacité professionnelle complète
Français
Notions
Japonais
Notions
Expériences
- REWE GroupInterim Head of MarTech and CRM ProjectsCOMMERCE DE DÉTAILmai 2025 - décembre 2025 (7 mois)Köln, Allemagne
- Integrated CRM, campaign and behavioral data into a unified performance measurement framework. One source of truth across acquisition, activation, retention and engagement.
- Led the implementation of a Customer Data Platform including campaign management, marketing automation, app push and a recommendationengine. Built for scale across all digital touchpoints.
- Resolved a large-scale customer data duplication problem through structured data governance. Reduced license costs by six figures and brought the data stack into GDPR compliance.
- Scaled lead generation from 2M to 6M participants, a 200% increase, through data-led audience strategies.
- Conducted business analysis for an AI agent system rollout. Focus on organizational workflows, reporting structures and budget tracking.
- Built the strategic roadmap for scaling the MarTech stack and defined the experimentation framework for the organization, shifting teams from launching campaigns to testing hypotheses at scale.
- Worked closely with Consumer Marketing, Product, IT and Analytics to deliver integrated CRM and lifecycle programs. Removed silos and set shared data governance standards.
- better be buzzin' GmbHFounder & Managing PartnerAGENCE & SSIIaoût 2023 - Aujourd'hui (2 ans et 10 mois)Berlin, Germany
- Advised C-level teams on shifting from data-informed to data-led marketing. Built the frameworks, not just the reports.
- Developed LTV and CAC models using predictive analytics. Delivered 20% higher campaign efficiency and 30% better engagement in targeted
- segments.
- Defined ICP and segmentation models that cut acquisition costs by 20% and made budget allocation easier to defend at board level.
- Built and led high-performing data and marketing teams. Set career frameworks, headcount plans and the operating rhythms that let people do good work.
- Ran MarTech audits that delivered up to 30% cost savings through better budget allocation and tighter data governance.
- Built KPI frameworks and performance dashboards that served as a single source of truth for paid and owned channel efficiency.
- Advised on go-to-market strategies, channel orchestration and marketing effectiveness. Always anchored in causal logic, not vanity attribution.
- Mercedes-Benz AGHead of Digital Marketing ITAUTOMOBILEaoût 2022 - mai 2023 (9 mois)Stuttgart, BW, Germany
- Led an international team of 20 and defined the global IT strategy for marketing platforms across 30+ markets, covering ad technology, CMS,
- digital asset management and analytics.
- Grew platform adoption by 50% globally. Cut operational overhead and connected marketing technology to measurable brand and performance
- outcomes.
- Implemented AI-powered personalization and targeting across global consumer journeys.
- Kicked off a taxonomy project to bring consistent data collection and measurement across all global campaigns. A foundational step for any serious MMM or incrementality program.
- Evaluated IT suppliers through security audits, cost controls and performance checks to keep operations scalable and compliant.
Recommandations
Soyez le premier à recommander Katja
Contribuez à la réussite de ce freelance en partageant votre expérience de collaboration avec lui.
Ces profils de freelance correspondent également à vos critères
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Formations
- architectureETH Zürich1996architecture
- history of arts, archaeology, architectureUniversity of Cologne2001history of arts, archaeology, architecture