Ragnar L.

I'm Ragnar. I hold a PhD in Computer Science, specializing in Data Science and Machine Learning. I have 20 years of professional experience applying algorithms, statistics, and AI/ML methods in real-world settings, including model development, data analysis, and production-level code. In industry, I routinely improve existing codebases (in Python & SQL) — refactoring messy or inefficient scripts into clean, elegant, readable solutions. This is a skill I teach explicitly, because writing code tha…