I enjoy learning, and leveraging data to understand things.

Data science, AI engineering, economics, data visualisation and R, written up as I learn.

Now

September 2026

Senior Insight Analyst at Heathrow Airport Holdings, building a data analytics and agentic AI system for the front-of-house shopping services.

2026-10-02
Moving stock between terminals, part 3: does moving stock pay?
The brand that wastes the most journeys between Heathrow's terminals sells best. A dumbbell chart, a dynamism score and a regression, in R, test whether moving stock pays.
2026-10-01
Moving stock between terminals, part 2: who is moving the stock
An arc diagram and Tufte-style small multiples, drawn in ggplot2, show which brands drive the stock flowing into Heathrow's Terminal 5, and how much of it comes straight back.
2026-09-30
Moving stock between terminals, part 1: finding the story, then telling it
Stock moving between Heathrow's terminals, drawn four ways in R. The plainest chart, a four-by-four table, tells the story best.
2023-02-01
What makes a luxury product?
A quick dive into the surprising theory of fashion – part II

Data visualisation