Writing

Thinking in public.

Technical notes, arguments, and the occasional opinion. Not a tutorial farm.

Machine Learning · 2026-08-12T00:00:00+00:00 · 8 min

What production pricing taught me about causal ML

A catalog will punish a naive demand model. Here is what survived contact with 60,000 SKUs — and what I stopped trusting.

causal ML · pricing · DML · production

MLOps · 2026-07-02T00:00:00+00:00 · 7 min

From prototype to production: the MLOps gap

Reporting errors went from 25% to under 5% when we stopped treating the model as the product.

MLOps · systems · monitoring

AI Engineering · 2026-06-18T00:00:00+00:00 · 6 min

Agents are easy. Systems are hard.

I like agents. I like them more when they have memory, evaluation, and a plan for being wrong on a Tuesday.

agents · AI engineering · evaluation

Quant · 2026-05-20T00:00:00+00:00 · 7 min

Building a macro-regime RAG for equity positioning

A research system: FRED in, evidence retrieved, a regime out, then — and only then — a posture.

quant · RAG · macro · research

Business · 2026-04-09T00:00:00+00:00 · 5 min

Why I still care about elasticity

Most model scores need a translator. Elasticity arrives with a meaning — and then we ruin it with a naive fit.

pricing · business · ML