The data model is the product. A Model Citizen builds it right.

Model Citizen provides content, resources and contract services for data analysts, engineers and leaders who treat the semantic model as the spine — the one layer that analytics and AI are both built to stand on.

Data Sourcesraw · inconsistent
The Data Modelthe semantic spine
Data Surfacesevery surface, one model

Define it once. Trust it everywhere.

Concepts

Mental models, field notes & ideas I wrote down

Browse concepts →

Skim for the idea that matches what you're wrestling with right now — each one's a short, field-tested read that connects straight through to the real work it came from.

Data Storytelling

The Data Concierge

Your users don't want your data service, they want you to serve them data.

AI & AI Agents

Grounding Is the New Formatting

For a decade the craft that set a report apart was formatting. Now it's grounding — the descriptions and synonyms that tell an agent what a number actually means. Same instinct, higher stakes.

Read →

Recognize your team in one of these? Tell me which one — I'll tell you how it actually plays out and what to do next.

Services

Where does it hurt?

All services →

Scan the cards below for the symptom that sounds like yours — each one spells out what's actually going on and what to do next, whether that's a fix you can run yourself or a conversation worth having.

Data Platform Audits

The bill keeps climbing and no one can say why.

Bottlenecks, runaway compute, and silent risks hiding in a stack nobody's audited end to end.

Try it yourself →
Analytics Engineering

Every dashboard tells a different number.

No trusted model underneath. "Revenue" is defined ad hoc in five places, so five reports disagree.

Try it yourself →

Or maybe it's one of these

Not sure what you've got? Describe the symptom — I'll tell you what it is and whether it's a DIY fix or a call.

Resources

Free resources. No strings attached.

Browse library →

Grab what's useful — templates, guides, and tools I've built and actually used, free to download, no email required.

Not seeing what you need? Tell me what you're working on — I'll point you to it or build it.

Solutions Gallery

Use cases, demos & prototypes

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See what's actually been built — real use cases and working prototypes, browsable by the outcome they drive, not just the tech underneath.

Decision IntelligenceGlobal Hospitality

The Data Concierge, Deployed

A governed semantic model, curated and AI-ready, standing behind every ITSM report a global hospitality enterprise runs — plus an agent that doesn't just answer a metric question, it explains why the number is what it is.

1 model, every report
Decision IntelligenceSaaS

From Ticket Queue to a Tool 200 People Open Daily

See how a semantic layer and a small set of certified metrics turned analytics from an endless request queue into self-serve — tripling weekly active dashboard use along the way.

ML & ForecastingDTC Retail

The Forecast That Cut Stockouts 61%

See how a pragmatic demand model — monitored and retrained on a weekly schedule — kept shelves stocked without ballooning inventory.

−61% stockouts
Decision IntelligenceIT Service Management

Attributing Friction, Not Blame

Mean Time to Resolution is the most reported, least actionable metric in ITSM — because last-click attribution blames whichever team closes the ticket for time that was never theirs. See how Service Delivery Attribution fixes the math.

Friction, not blame

Have something like this in mind? Tell me about it — I'll tell you what it'd take to build and whether it's worth doing.

Have data that should be doing more?

Tell me about the pipeline that breaks, the metric nobody trusts, or the analysis stuck in a notebook. Let's operationalize it.