The AIMomLab

I spent 11 years building the models banks use to decide if you get approved or declined. When my sister-in-law asked me last month how to bump her score before a mortgage application, I didn't send her some blog post with 47 vague tips. I told her exactly what to do, and it moved her score 41 points in about three weeks. The trick isn't glamorous and is not a loophole. It's understanding how FICO actually calculates utilization, and then exploiting the timing of your statement date instead of your due date. Almost nobody does this because almost nobody knows the difference. Your due date is a lie, your statement date is the truth Here's the thing most people get wrong. They think paying their credit card bill by the due date is what matters for their score. It's not. What matters is the balance sitting on your account when the issuer reports to the bureaus, which happens on your statement closing date, not your payment due date. Those are usually 20-25 days a...

My kid asked me last week why the "computer" said no to her lemonade stand loan application (long story, don't ask, it involved a play bank app on my old tablet). I gave her a real answer because that's the only kind I know how to give. Then I realized I've never written that answer down for adults either. So here it is. I've spent 11 years building the risk-decisioning systems banks use to approve or deny credit and flag fraud. I've sat in the room when a model got shipped that quietly started rejecting a group of applicants it shouldn't have. I've also sat in the room when a smarter agent caught fraud that would have cost real money. Let me walk you through what's actually happening when an AI agent looks at your loan application. It's Not One Decision, It's a Relay Race People imagine a single AI reading your application and going thumbs up or thumbs down. That's not how it works, not at any bank I've seen. It's a pi...