Marios is a competitive data scientist at H2O.ai. He holds a Bsc in accounting Finance from the University of Macedonia in Greece, an Msc in Risk Management from the University of Southampton and a PhD in machine learning from the University College London (UCL) with a focus on ensemble modelling. Marios is the creator of kazAnova a freeware GUI for credit scoring and data mining. He is also the creator of StackNet Meta-Modelling Framework. In his spare time, he loves competing on data science challenges.