Welcome to my homepage. I am an assistant professor in the statistics group at Leiden University in the Netherlands, working on machine learning and statistics, and teaching in the Statistical Science master program. Recent Events Organized the second learning faster from easy data workshop at NIPS 2015 with Wouter Koolen. Research Interests Sequential prediction (online learning) Information theory in statistics, minimum description length Fast learning rates in sequential prediction and statistical learning Statistical learning theory, frequentist analysis of Bayesian methods Model selection