Hamlet Jesse Medina Ruiz is a Chief Data Scientist at the Criteo AI Labs, specializing in Time Series Forecasting, Machine Learning, Deep Learning, Federated Learning, Generative AI, and Bayesian Modeling.

He holds an Electronic Engineering degree from Universidad Rafael Belloso Chacin in Venezuela, as well as two master’s degrees with honours in Mathematics and Machine Learning from the Institut Polytechnique de Paris and the Université Paris-Saclay. Additionally, he earned a Ph.D. in Applied Mathematics from Université Paris-Saclay.

In his spare time, he has consistently achieved top rankings in several data science competitions across diverse domains. He is a Kaggle expert and is currently pursuing the MicroMaster in Finance from MIT.