0→1 Data Science. From applications to analysis.
I lead data science teams at Starbucks and build personal projects here to explore what's next in data science, AI & software. Everything is open source—explore the analysis or follow along.
Projects
Each app applies a data science method to a real problem. Interact, contribute data, and explore the published analysis.

A/B Testing Memory Game
LiveA live A/B test on game difficulty and player behavior

How I Prompt 2025
LiveYear-in-review visualization of your Claude conversations

Local LLM Bench
LiveBenchmark local LLMs on structured data extraction accuracy
Recent Substack Posts
- Why local AI is more important than ever (but not useful yet) Substack
Frontier models like Claude / Codex are extraordinary, but on-device alternatives matter for privacy and cost, and will matter even more in the near future.
- I built a "Spotify Wrapped" for my Claude AI conversations Substack
2,417 prompts. 209 times Claude said "You're absolutely right." Here's what I learned about my AI conversation patterns
- Building an A/B Testing Memory Game: From Concept to Live Experiment Substack
Building a product end-to-end to show all the engineering & product choices that go into your A/B test analysis BEFORE you see the data.
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