I lead data science teams at Starbucks and build projects here to explore what's next in data science, AI & privacy. Everything is open source. Explore the projects, analyses, or follow me on Substack.
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
- Local AI matters, but it's not ready yet Substack
Frontier models are extraordinary. On-device alternatives are not there yet for the average person. But the privacy and cost math is shifting fast.
- What 4,887 AI prompts say about how we talk to machines Substack
I analyzed a year of my Claude conversations. The patterns were more revealing than the content itself.
- From game design to p-values: Anatomy of a real A/B experiment Substack
Most data scientists inherit someone else's pipeline. I built one end-to-end — product design, instrumentation, statistics — to show how it's done at the highest levels.
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