Eight years after my original post on building data science teams, the landscape has transformed dramatically. From the experimental “unicorn hunting” of 2017 to today’s systematic, specialized team construction, here’s what’s changed and what works in 2025.

In the German blog post, I analyze voting patterns of German parliament members using machine learning techniques. By encoding votes as numerical vectors (Yes=1, No=-1, Abstention=0), I apply PCA and t-SNE dimensionality reduction to visualize political clustering, revealing clear faction groupings and identifying potential party outliers in the Bundestag.