A little curiosity.
A clearer picture.
Explore the ideas behind data and AI, one topic at a time.
Choose a topic, then press play or move through the steps yourself.
It's just predicting the next word.
A model builds sentences one token at a time. Watch the probabilities guide its next choice.
Signals flow. Weights adjust.
Follow a signal through a neural network and see how a prediction takes shape.
Words become coordinates.
Similar meanings sit close together. Watch words find their place in space.
From raw rows to a decision.
Turn numbers into decisions with SQL, Power BI and Tableau. Build a dashboard, one step at a time.
Pick your next rabbit hole.
Go a little further.
Open just what interests you.
The newsletterFree tips, templates and a Data & AI Skills Roadmap.
The newsletter
Tips, templates and walkthroughs a few times a month. Get my Data & AI Skills Roadmap when you join.
No spam. Unsubscribe anytime.
Free live workshopsOne skill, one hour, nothing to buy.
One skill, one hour, nothing to buy.
Build something in a free 60–90 min live session. Join the newsletter for dates.
Explain LLMs in plain language and write a better prompt.
5 time-saving moves with XLOOKUP and dynamic arrays.
Build your first Power BI chart from raw data.
Spot and fix a misleading chart.
SQL in an hour: SELECT, JOIN and GROUP BY.
Build a Power Automate flow for a real task.
Upcoming membershipJoin the waitlist for early access and founding-member pricing.
Join the waitlist
Self-paced courses, hands-on practice and a community, coming soon. Join for early access and founding-member pricing.
Be first to know — no commitment.
The Atlas of Charts99 charts, taken apart. $29, one time.
The Atlas of Charts.
My interactive guide to data visualisation, in one file you can keep.
99 charts, taken apart.
From bar charts to Sankeys: learn what each chart reveals, when to use it, and how to avoid misreading it.
- 99 chart types across 8 families
- Interactive anatomy — hover any part to see what it encodes
- "How Charts Lie" — the specific misread of each one
- One self-contained file. Yours forever.