Ben Dennes

Data Scientist @Competition and Markets Authority

London, GB

Designed and implemented ETL pipeline for consumer complaints data, including anomaly detection for lead generation and AI summarisation.• Built and deployed stakeholder-facing tools with dockerised Streamlit and Dash apps. Quick iteration allowed multiple features to be tested as part of AI evaluation pilot, securing executive buy-in for future work.• Researched and implemented cutting edge methods in applied AI in novel pilot study of RAG chatbot for critical regulatory use-case.• Led user testing for AI chatbot pilot, building rapport and trust with stakeholders. Resulting open and honest feedback on tool allowed for targeted feature development.• Designed and implemented error handling, logging, and notification for a key data pipeline used by internal stakeholders for critical regulatory function.• Organised knowledge sharing programme with Ofcom DS team, facilitating well-received sessions on AI summarisation and online choice architecture.

University of Cambridge

BA

University of Exeter

MSc