Before it starts
Your weekly read on data, design and product decisions that you should make before you open Power BI, Tableau or any dataviz tool.
Accidental dataviz solutions
READ TIME - 5 minutes ⏳
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Most successful dataviz projects share an uncomfortable origin story: nobody planned for them to work. A report gets built, it lands with the right person at the right moment, they find it useful, and the team...
by Julien —
May 28, 2026
design process
The "finished" trap
READ TIME - 5 minutes ⏳
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There is a moment in almost every Power BI project that quietly gets treated as the finish line, and it looks like this: the visuals are in place, the filters work, the data refreshes on schedule, and someone ...
May 14, 2026
design process
Culture: the missing layer in every Power BI deployment
READ TIME - 6 minutes ⏳
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Ten months ago, I published a post that felt like a small risk where I introduced the concept of a Power BI design system. My own, built over years of client work and promised to share it gradually, in pieces,...
Apr 30, 2026
dataviz culture
From overview to detail: an introduction to Drillthrough in Power BI
READ TIME - 6 minutes ⏳
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There's a pattern that plays out in almost every organisation that uses Power BI seriously. Someone opens a dashboard, they see a number that doesn't sit right, and then they spend the next twenty minutes doin...
Apr 23, 2026
design process
user experience
Stop designing Power BI reports for imaginary users
READ TIME - 7 minutes ⏳
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Every Power BI project contains a moment where a report builder makes a judgment call (usually quietly and often quickly!) about what kind of thing they are actually building.
Is this a dashboard or an explor...
Apr 09, 2026
design process
design system
Design the decision, not the dashboard
READ TIME - 10 minutes ⏳
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I recently sent a client a 5 minutes video. Just a side-by-side of their report before and after I redesigned one visual. That one comparison changed the entire scope of our collaboration. Here is the full st...
Apr 02, 2026
data visualization
design principles
Standardize Power BI reports without the theme file pain
READ TIME - 1 minute ⏳
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If you've ever opened a Power BI report from a colleague and thought "why does this look nothing like mine"... you're not alone. Without a shared system, every report ends up being its own little design experim...
Mar 26, 2026
design system
design tokens
Why transparency is a weak design choice in Power BI
READ TIME - 4 minutes ⏳
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One design habit that seems harmless in Power BI, but becomes surprisingly difficult to manage once a report grows, is using transparency as part of the actual color system, especially for backgrounds.
A common ...
Mar 19, 2026
data visualization
design system
Don’t open Power BI yet!
READ TIME - 7 minutes ⏳
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The fastest way to build the wrong dashboard is to open the dashboard tool too early.
It feels harmless at first: a blank canvas, a few charts, maybe a filter panel on the side. Progress, apparently. But this ...
Mar 12, 2026
What auditing 110+ report pages with 30 users taught me
READ TIME - 8 minutes ⏳
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I was asked to run a one-hour workshop with a simple-sounding goal: "reduce our dashboard portfolio".
The audience was anything but simple. Around thirty people joined from more than six countries, with different roles, dif...
Mar 05, 2026
dataviz adoption
dataviz workshops
How to document dataviz & design decisions (before they dissapear)
READ TIME - 6 minutes ⏳
Every week, we make decisions about research methods, reporting formats, chart types, dashboard structures, data models, design patterns… and we often fail to capture why we made them.
Then months later, someone asks:
“Why do we use this chart type here?”“Why are KPIs g...
Feb 19, 2026
design decisions
Where the design system really begins
READ TIME - 6 minutes ⏳
Most teams believe the hardest part of a design system is the components themselves.The tokens, the visuals, the libraries,... the things that can be drawn, named, or documented.
What usually goes unnoticed is that the failure of a dataviz design system rarely starts th...
Feb 12, 2026
design systems