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JOJonas Osman
Projects

Selected Projects

A representative sample of engagements, described at a level that respects client confidentiality. Each entry summarises the problem, the modelling approach, and what changed as a result.

Banking

IFRS 9 ECL redevelopment

Rebuilt PD, LGD, and EAD components with documented calibration, staging logic, and forward-looking macro overlays that reconciled cleanly to the balance sheet.

Banking

IRRBB and liquidity framework

EVE and NII sensitivity engine with behavioural deposit modelling, supervisory outlier tests, and ALCO reporting redesigned around decision points.

Insurance

Solvency II reserving review

Independent review of technical provisions and reserving methodology, including stochastic uncertainty ranges and reconciliation to the standard formula.

Cross-sector

Independent model validation programme

Validation methodology, backtesting suite, and finding-remediation tracking across a portfolio of credit, market, and pricing models.

Insurance

Catastrophe and climate exposure study

Tail-risk fitting on catastrophe loss data combined with physical hazard footprints and transition pathway overlays for portfolio-level reporting.

Insurance

Predictive pricing model build

Gradient-boosted pricing model with interpretability, stability monitoring, and governance documentation suitable for actuarial sign-off.

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