Marcel Dybalski

When I was a junior data analyst, I asked endless questions. "Why doesn't this join work?" "What's the difference between WHERE and HAVING?" "Can you look at my query... again?" Some seniors would'v…

At first glance, your data pipeline is flawless. The breakage starts where nobody’s looking. Dashboards are green. SLAs are being met. Jobs are “successful”. And still the business is making decisi…

There is one word that destroys data teams. They use it constantly and wonder why nothing ships. "Yes" Here's the framework I use to stop bad projects before they drain momentum: R.I.C.E Score = (…

Your CEO doesn't care about your data platform. Not even a little bit. And that's YOUR fault, not theirs. You talk in architectures. They think in outcomes. Then they wonder why the budget got cut…

Let's clear this up once and for all. Data Architecture ≠ Data Infrastructure. But most teams treat them like they're the same thing. That's the problem. They're not. Architecture = Your blueprint…

You hired 15 data people. Why does nothing ship faster? Because structure matters more than headcount. Most leaders think scaling means adding bodies. But the wrong model turns growth into gridlock…