Nathanaël Fijalkow received his PhD in Computer Science in 2015, jointly supervised by Thomas Colcombet (University of Paris) and Mikolaj Bojanczyk (University of Warsaw). He was a Research Assistant at University of Oxford, and since 2018 he is a CNRS Researcher in LaBRI, Bordeaux, and a Research Fellow at the Alan Turing Institute in London. His research interests are in Games, Machine Learning, Automata, and Dynamical Systems.