F28 Studio  ·  AI Experiments

Real experiments.
Real prompts.
Real takeaways.

What happens when a 25-year CFO starts building with AI — documented in public, mistakes included. No theory. No hype. Just what actually works.

4 Experiments published
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Getting Started
How I Built a CFO’s Guide to Claude Cowork in 20 Minutes

No coding. No prior AI experience. Three prompts and a shower break. Here's exactly how I used Claude to build a complete implementation guide — and what I learned along the way.

AI × Excel
Annual Report to Board-Ready Investment Analysis. Claude + Excel. 15 Minutes.

Can Claude + Excel replace a financial analyst? I uploaded Pan American Silver's 180-page annual report, ran 3 prompts, and set a timer. Here's exactly what happened — and what still needed the CFO.

AI × Excel
Before & After: How Claude + Excel Compressed a Week of FP&A Work Into a Single Morning

Three senior leaders built an investment model in 30 minutes. It was 70% there. Here's what the last 30% required — and why that's exactly where the CFO earns their seat.