Guillaume CHEVILLON is Professor at ESSEC Business School where he is director of the ESSEC-CentraleSupélec Master in Data Sciences & Business Analytics. His field of research is econometric theory with applications to forecasting and statistical learning in economics and finance. His interests range from dynamic spillovers in large scale networks to dependence in unstable environments and learning by economics agents. Applications span economics, finance, energy forecasting, social networks, global warming and pandemic dynamics. Guillaume obtained an MPhil and a DPhil in Economics from the University of Oxford, and an MSc in Engineering from Ecole des Mines de Paris. He is a member of the OECD network of experts on Artificial Intelligence and has been a visiting scholar or professor at, inter alia, Brown, Oxford, NYU, Keio, UNSW Sydney and the NY Federal Reserve.