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Marketing science, with a causal lens

Carlos Trujillo.

Bayesian at heart. Causal thinker.

I study what drives outcomes, and how to make better decisions when the answer is uncertain.

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Portrait of Carlos Trujillo

Leading research at PyMC Labs
Bayesian inference · Causal modeling

A few things I've been thinking about ↓
An illustrative causal field

Notes from the work

Questions worth
spending time on.

All articles ↗

July 2026 PyTensor · LLM

PyTensor beyond PyMC ↗

An inspectable local-LLM stack with one symbolic graph compiled through C, Numba, and MLX.

April 2026 Bayesian · Causal

Can you trust your quasi-experiment? ↗

Placebo tests and Bayesian inference for a harder question: does your causal estimate hold up?

Ideas are better in conversation.

Talks & presentations ↗ Get in touch ↗
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