The World Is a Distribution

Data Science & Fractional Head of Data

Kristian Vepsäläinen — Data Science

The world is
a distribution.

Point estimates lie. Averages mislead. The shape of uncertainty is where real understanding lives — and where competitive advantage hides.

Fractional Head of Data → See the analyses
5+ Publications
10+ Years practice
FM+MEng Math & Security
Open Data first
What I do

Distributional thinking
applied to real decisions.

I combine public datasets — legislation, labour markets, health registries, EU open data — with Bayesian methods, changepoint models, and simulation to produce analyses that domain experts cannot replicate without data science skills.

01

Bayesian inference

Posterior distributions over parameters, not p-values. Uncertainty quantified, not hidden.

02

Open data synthesis

Semantic Finlex, Eurostat, StatFin, EurLex — combined in ways no single-discipline analyst can.

03

Forecasting & simulation

Monte Carlo, generative models, changepoint detection. Predictions with explicit confidence bounds.

04

Fractional leadership

SMEs get a senior data strategy partner without hiring a full-time CDO. One day a week, full expertise.

"A single number — an average, a headline figure, a point forecast — is not an answer. It is a question about which distribution produced it."

— Kristian Vepsäläinen, maailma on jakauma
Next step

Let's talk about your data.

Whether you need a specific analysis or a fractional data science partner — the first conversation is free.

kristian.vepsalainen@proton.me