A ride-share AV rewards program, a Bayesian fanatic, and the claim that Bayesian experiments let you peek. They do not. Here is the math.

A/B testing in management consulting: frequentist and Bayesian methods, multiple testing corrections, and the specific challenges of testing recommender systems in a live production environment.

On the limits of RCT-based development economics: why experimental methods work at village scale but struggle to inform national policy, and what external validity actually requires.

Bayesian methods in consulting practice: Thompson sampling for multi-armed bandits, conjugate priors for A/B testing, and hierarchical models for recommendation engines — with Python examples.