Dr. Emil Vatai is a researcher at the High Performance Artificial Intelligence Systems Research Team in the RIKEN Center for Computational Science. He was previously a JSPS fellow at the University of Tokyo, and before that he was a lecturer at Eötvös Loránd University, Faculty of Informatics, Budapest from where he also received his Ph.D. in computer science. He is currently working on guaranteeing correctness when using machine learning to optimize HPC applications.