Christian Hafner is a professor of econometrics at the Louvain Institute of Data Analysis and Modeling of the Universite´ Catholique de Louvain, Belgium. He previously served as an assistant professor at Erasmus University Rotterdam, Netherlands. He holds a Ph.D. in economics from Humboldt University Berlin, Germany, and is a Distinguished Fellow of the International Engineering and Technology Institute. In 2018 he received the Econometric Theory Award in Recognition of Research Contributions to the Science of Econometrics, Multa Scripsit. His main research interests are financial econometrics, time series analysis, and empirical finance. He is currently the associate editor of the journals Digital Finance, Studies in Nonlinear Dynamics and Econometrics, Journal of Business and Economic Statistics, Econometrics, and Journal of Risk and Financial Management. He is a co-author of the book Statistics of Financial Markets and has published widely in peer-reviewed international journals in finance, econometrics and statistics.