Josiah Walker-Mason
Data Analyst @Starling
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WORK HISTORY
Data Analyst @Starling
London, GB
EDUCATION
The University of Sheffield
Master’s Degree, Aerospace, Aeronautical and Astronautical Engineering
ABOUT JOSIAH WALKER-MASON
Data Analyst with experience turning complex data into actionable insights for growth, finance, and product teams. My background combines a Master’s in Aerospace Engineering with hands-on expertise in analytics engineering, SQL, Python, dbt, and BI tools (BigQuery, Omni, Looker, Looker Studio, PowerBI).I specialise in building reliable data models and scalable pipelines, designing intuitive dashboards, and shaping key business metrics such as revenue (MRR/ARR), churn, trial conversion, and customer behaviour.Core skills:Advanced SQL & Pythondbt & modern data stack (BigQuery, Airbyte)Dashboarding & data storytelling (Omni, PowerBI, Looker Studio)Stakeholder collaboration across Growth, CX, Product, and Finance
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