My Blogs

Data Scientist Blog

ML principles from problem design to production. Examples from credit risk and real-world classification problems.

Data Engineer Blog

Pipeline design principles, not tools. Examples from the jaffle-shop reference implementation.

Domain Knowledge

Credit Card Portfolio Management 101

How credit card products work, how portfolios are built, and how risk is managed from first principles.

Consumer Lending Portfolio Management 101

From loan origination to charge-off — how installment lending works, how portfolios are built, and how risk is measured.