Senior Data Scientist, Project Lead
I lead projects across roughly 25 cross-functional stakeholders spanning data engineering, data science, marketing and MLOps, taking solutions from ideation to production.
- Architected CLV prediction and audience optimisation models powering Google Ads bidding and cross-sell campaigns, delivering a 20% POAS uplift with lower acquisition costs across broadband and mobile.
- Built and automated a media mix response model spanning 23,500 brand-markets across 117 countries, used by Unilever markets to plan annual media budgets.
- Drove geo-spatial audience strategy and measurement (DiD, Causal Impact) for Coca-Cola's FIFA World Cup campaign across 20 markets, and contributed KNN statistical matching to WPP's Open Intelligence data fusion platform.
- Engineered a multi-agent GenAI system with BigQuery function calling, a GenAI layer turning MMM outputs into monthly effectiveness reports for EE, and finance report automation at NBCUniversal.
- Built ETL pipelines processing 30M BT and EE customers plus real-time value-based bidding with sGTM, Firestore and Vertex AI. Designed EE Marketplace's taxonomy and recommendation engine, saving 1 FTE.