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NOTES FROM THE MODEL.

Short, useful, opinionated. Field notes — not marketing.

– FEATURED · MODEL RISK & AI

IF YOU CAN’T EXPLAIN IT, YOU CAN’T DEFEND IT.

As South Africa’s regulators turn to explainability, a model you can’t open is a model you can’t defend — to a board, an auditor, or a customer owed a reason.

READ ARTICLE →

– ARCHIVE

RECENT ARTICLES, IN DATE ORDER

MAY 2026

IFRS 17 and IFRS 9 were built under deadline. The bill for opacity is now coming due.

5 MIN →

APR 2026

The hidden assumptions that quietly decide whether a mine — or a mega-project — gets built.

6 MIN →

APR 2026

Provisioning is a judgement, expressed as a number.

4 MIN →

FEB 2026

HOW ACTUARIAL THINKING IMPROVES FINANCIAL MODELS.

7 MIN →

JAN 2026

Automation, efficiency, and the question of trust.

8 MIN →

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ALETHEIA PARTNERS

Analytics. Modelling. Truth.

A specialist analytics and modelling consultancy, grounded in actuarial science. Based in Johannesburg, working with corporates, project sponsors and investors across Africa.

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