Blog

Writing about Financial Model Engineering.

Essay·October 7, 2026

On the “number of periods” variable in financial models.

Why move cells when you could change one variable? For an AI, it’s one change instead of hundreds of formulas across a thousand cells — each one a chance to hallucinate.

Read the post

Manifesto·April 14, 2026

Financial Models Should Be Engineered

Transparent AI decision-making needs engineered financial models - without losing Excel.

Read the manifesto