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Transforming raw data into models
and reports teams can rely on.

MSci Mathematics and MSc Health Data Science, UCL. A decade in actuarial analytics within financial services, now focused on data transformation, structured data modelling and reporting.

About

Background

I started out in pensions as a part-qualified actuary, where a significant part of the work involved validating complex pension scheme member data before running actuarial models to value liabilities. Getting the data right was not optional. Any errors would propagate directly into scheme valuations with real financial impact. That discipline of precision and correctness in structured data carries forward into building data models across cloud platforms, from transformation layers through to reporting, where accuracy and consistency are treated as non-negotiable.
Matthew Barr
Background
Actuarial Analytics → Health Data Science → Data & Analytics Engineering
Education
MSci Mathematics
MSc Health Data Science
University College London
Course Author
Published 5 courses on Udemy with ratings up to 4.9, covering Spark, Hadoop, and SQL data cleaning. Over 10,000 learners trained via Udemy and Verulam Blue.
Projects

Selected Work

VBM EquiWait screenshot
NHS Analytics

VBM EquiWait

Does demographic background shape how long NHS patients wait for elective treatment? Eight months of WLMDS data, 134 trusts, 7 million patients - built end-to-end on Microsoft Fabric.

Microsoft FabricdbtSQLPySparkPower BI
VBM Energy Risk screenshot
Energy Risk

VBM Energy Risk

Five public datasets, two independent star schemas, six scenario parameters - modelling gross economic exposure across U.S. military infrastructure and regional energy assets under conflict conditions.

Microsoft FabricdbtSQLPower BI
VBM Hospital Encounters screenshot
Healthcare

VBM Hospital Encounters

A noisy 103,000-row acute care encounters extract - validated, cleaned, and transformed into a stable operational reporting foundation with ten KPIs and a live dashboard.

Microsoft FabricdbtSQLPower BI
Verulam Blue Mint screenshot
EdTech

Verulam Blue Mint

Designed and built a practice platform where students work through messy datasets, build pipelines, and get their outputs automatically graded against a ground truth layer.

Azure DatabricksAzure SQL DatabaseAzure FunctionsDockerReact
Stack

Tools

Analytics & Reporting
dbtIntermediate
SQLIntermediate
PySparkIntermediate
Power BIIntermediate
Star Schema / Dimensional ModellingIntermediate
Cloud & Engineering
Microsoft FabricIntermediate
Lakehouse (OneLake)
Fabric Warehouse
Fabric Pipelines / Dataflows Gen2
Azure DatabricksIntermediate
SparkIntermediate
Certifications

Credentials

Matthew Barr

London