In this episode, we interview Renee Ahel, who is a Lead AI Expert at Cirtuo and a freelance data scientist in Croatia. He is dealing with Machine Learning since 2003, and recently he is working on Tree-based methods, with which he solves procurement problems. He is also dealing with Expert systems, you will hear why. His motto is: You should choose the most efficient tool for the problem you have, regardless of whether it is in fashion or not. AI applications in procurement: https://sievo.com/resources/ai-in-procurement Expert systems https://en.wikipedia.org/wiki/Expert_system Kraljic matrix https://www.forbes.com/sites/jwebb/2017/02/28/what-is-the-kraljic-matrix/#2d004b38675f Bayes network powered PCOS (polycystic ovary syndrome) diagnostics - implemented by Croatian company Vingd for the Berlin startup Clue: https://techcrunch.com/2019/09/04/period-app-clue-hopes-to-predict-if-you-have-pcos/ Renee Ahel on LinkedIn: https://www.linkedin.com/in/reneeahel/ Data Science Croatia: https://www.meetup.com/DataScienceCroatia/