Ruben Ohana joined the Center for Computational Mathematics of the Flatiron Institute as a Research Fellow in 2022. His research interests are machine learning for scientific problems, optimization of large models, and bridging gaps between theoretical fields. He obtained his PhD from Ecole Normale Supérieure in 2022, supervised by Florent Krzakala, Alessandro Rudi and Laurent Daudet. In parallel, he was a research scientist at LightOn, and interned at the Criteo AI Lab.