Originally a mathematical physicist by training specialized in using Bayesian methods for analysis of measurement data, Jakob Lavröd changed field to quantitative risk analysis, working with the risk facing the financial institutions, be them credit, operational or market risk. Working for a number of Swedish financial companies, a red thread of his work has been the IFRS 9 Expected credit loss modeling, in particular how to translate the regulations into model component, and how to derive business understanding from the models with the explicit goal of changing the view on IFRS 9 ECL from that of a quarterly accounting number to the nerve system of the credit institution itself.