David Rousseau is a physicist and CNRS/IN2P3 Research Director in the IJCLab-Orsay Université Paris Saclay laboratory. He is a member of the ATLAS collaboration at CERN's Large Hadron Collider, mainly studying the physics of the Higgs boson. He has a particular interest in the use of Artificial Intelligence in physics and science more generally, in particular substitution models, dimensionality reduction and classification in the presence of uncertainties. To this end, he has organized two Kaggle challenges and is co-leader of the Interexperiment Machine Learning group at CERN, and co-leader of the Center for Data Science Paris Saclay.