Experience

2026 –
Senior Data Scientist Entrust
  • Working on the biometric side of the product.
  • Extensive data modelling in dbt.
  • Building agentic AI pipelines for end-to-end anomaly detection and root cause analysis.
  • Leading funnel and retention analysis to drive team's headline KPIs.
2024 – 2026
Senior Data Scientist Roku
  • Led analytics for Roku Live content, owning AB test design and execution.
  • Maintained live data pipelines and delivered real-time reporting to stakeholders.
  • Conducted research projects on user retention in live, scroll behaviour on live TV surfaces, and live content interaction patterns.
  • Worked closely with engineering and product to identify and act on improvements to the live user experience.
2022 – 2024
Data Scientist / Economist Deliveroo
  • Applied causal inference to a broad range of questions: new app launches, customer loyalty programmes (including CLV impact), premium delivery, incrementality modelling, and partner-specific requests.
  • Combined causal inference and machine learning to understand how customer responses to bad service outcomes vary by order and customer characteristics.
  • Productionised the company's main dataset for use in quasi-experimental analysis.
  • Mentored junior team members in causal inference and data pipelines; led internal sessions and workshops on the latest advances in econometrics.
2013 – 2022
Research Economist LSE Centre for Economic Performance
  • Pursued PhD part-time alongside this role.
  • Applied microeconometric modelling to panel, administrative, and longitudinal data.
  • Secured external research grants and collaborated with leading think tanks.
  • Published in top peer-reviewed journals — see research page for examples.
  • Work covered across major UK outlets: The Times, FT, The Guardian, The Telegraph, and The Economist.
  • Active general-audience engagement and policy communication.

Education

2024
PhD Economics University College London
2013
MSc Economics University of Warwick

Skills

In terms of work, Python, SQL, dbt, Snowflake, and Looker are my everyday tools. I experiment with more in personal projects. AI is a big part of how I work — for writing code, exploring ideas, and building things quickly. I'm a big fan of pi, which I used to build and maintain this site.